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Religious skepticism

Religious skepticism constitutes a methodical doubt applied to religious propositions, particularly those positing supernatural agents, miracles, or revelations unverifiable by empirical means or rational standards.^[1] This stance prioritizes evidence-based assessment, rejecting claims that fail to meet criteria of observability, repeatability, or logical coherence independent of doctrinal authority.^[2] Originating in ancient Greek philosophy, it manifests in Pyrrho of Elis's advocacy for suspending judgment amid equipollent arguments, extending to religious assertions lacking decisive proof.^[3] Socrates exemplified early skeptical inquiry through elenchus, probing the foundations of popular piety and oracular pronouncements to reveal inconsistencies, thereby undermining unexamined religious convictions without outright denial.^[3] The Academic skeptics, such as Arcesilaus and Carneades, systematized this by arguing against dogmatic certainty in any domain, including theology, influencing later Hellenistic and Roman thought.^[4] In modernity, David Hume advanced religious skepticism via empiricism, contending that reports of miracles violate uniform experience and thus warrant disbelief unless corroborated by superior evidence, while critiquing teleological arguments for divine design as anthropomorphic projections.^[1] This evidentialist framework aligns with scientific naturalism, where causal explanations grounded in observable patterns supersede appeals to faith, fostering ongoing tensions with institutional religion over epistemology and authority.^[2] Empirical studies further indicate that reflective cognitive styles correlate with diminished religiosity, suggesting skepticism's cognitive underpinnings.^[5]

Definition and Core Principles

Conceptual Foundations

Religious skepticism fundamentally challenges the justification of religious beliefs by insisting that acceptance of doctrinal claims—such as the existence of deities, divine revelations, or supernatural events—requires proportional evidence commensurate with their extraordinary nature. This stance aligns with evidentialism, which holds that a belief is epistemically justified only insofar as it is supported by adequate evidence, and that believing without such support is intellectually irresponsible.^[6] Philosopher W.K. Clifford encapsulated this in 1879, arguing that "it is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence," a principle that skeptics apply to religious propositions often advanced on the basis of testimony, tradition, or personal experience rather than verifiable data.^[6] In practice, this demands empirical testing, logical coherence, and falsifiability for religious assertions, leading skeptics to withhold assent when such standards are unmet, as supernatural claims typically elude repeatable observation or controlled verification.^[7] At its core, religious skepticism inherits from broader skeptical traditions the practice of epochê, or suspension of judgment, particularly on non-evident matters like the ultimate nature of reality or divine agency. Ancient Pyrrhonian skeptics, as described by Sextus Empiricus around 200 CE, recommended suspending belief in theological claims due to equipollence—equal strength of opposing arguments—and the undecidability of criteria for truth beyond immediate appearances.^[3] This approach does not preclude practical adherence to cultural rituals but rejects dogmatic commitment to unproven religious cosmologies, viewing them as prone to error from anthropomorphic projections or cultural relativism, as critiqued by pre-Socratic thinker Xenophanes around 500 BCE.^[3] Modern extensions emphasize causal realism: religious explanations must compete with naturalistic accounts grounded in observable mechanisms, such as evolutionary biology for moral intuitions or physics for cosmic origins, dismissing appeals to faith as epistemically circular.^[6] Critics of non-evidential religious epistemologies, like fideism—which prioritizes faith over evidence—argue that such positions undermine rational discourse by insulating beliefs from scrutiny, potentially fostering credulity toward unverifiable authorities.^[6] Religious skeptics counter that extraordinary claims, absent robust evidence, invite systematic doubt to guard against cognitive biases like confirmation bias or groupthink prevalent in communal belief systems.^[7] This foundational skepticism thus promotes methodological inquiry, akin to scientific skepticism, where provisional acceptance yields to updated evidence, ensuring beliefs align with reality rather than presupposition.^[6]

Distinctions from Atheism, Agnosticism, and Fideism

Religious skepticism entails a systematic application of doubt to religious claims, doctrines, and institutions, demanding empirical evidence or rational justification before acceptance, in contrast to atheism, which specifically denotes a lack of belief in deities or their outright denial. While religious skeptics often critique theistic assertions for failing evidential standards, such as the absence of verifiable miracles or fulfilled prophecies, they do not inherently conclude non-existence; instead, they suspend assent pending better proof, allowing for potential theistic openness if evidence arises. Atheism, by comparison, represents a doxastic stance—either negative (no belief due to lack of evidence) or positive (affirmative disbelief)—that may stem from skeptical inquiry but extends beyond it as a settled position on divine reality.^[8] In distinction from agnosticism, religious skepticism actively interrogates religious tenets through methodological scrutiny, such as Bayesian evaluation of probabilistic evidence or falsifiability tests, rather than merely asserting epistemic humility about God's existence or knowability. Agnosticism, originating with Thomas Huxley in 1869 as a commitment to ignorance claims—"I do not know" or "It is unknowable"—focuses narrowly on the God hypothesis without broader critique of scriptural reliability, ritual efficacy, or theological coherence. Religious skeptics, however, extend doubt to ancillary claims like resurrection events or divine intervention, often provisionally rejecting them due to historical inconsistencies or natural explanations, while agnostics may remain neutral across the board. This proactive evidentialism positions skepticism as a tool for ongoing assessment, not indefinite abstention.^[8] Religious skepticism stands in opposition to fideism, which posits faith as epistemically primary and independent of reason, often disparaging rational inquiry as insufficient for grasping divine truths. Fideists, from figures like Søren Kierkegaard to certain Reformed epistemologists, argue that religious belief justifies itself via non-evidential means, such as personal revelation or properly basic beliefs immune to skeptical challenge. Skeptics counter that such approaches evade accountability, insisting instead on fallibilist standards where faith claims must withstand counter-evidence, like the problem of non-resistant non-belief or inconsistent revelations across traditions. While "skeptical fideism" historically emerged—using doubt to undermine reason and exalt faith—this hybrid subordinates skepticism to presupposed belief, inverting the skeptic's priority of evidence-led revision over unyielding commitment.^[9]^[10]

Historical Development

Ancient and Classical Periods

In ancient Greece, religious skepticism emerged among pre-Socratic philosophers who critiqued anthropomorphic depictions of gods in Homeric poetry. Xenophanes of Colophon (c. 570–478 BCE) argued that mortals project human forms and behaviors onto deities, noting that Thracians envision gods as fair-haired and blue-eyed while Ethiopians see them as flat-nosed and snub-nosed, thereby questioning the validity of traditional theology.^[11] He proposed a singular, non-anthropomorphic divine entity characterized by omniscience and immobility, distinct from polytheistic narratives.^[12] By the fifth century BCE, overt challenges to religious orthodoxy intensified, exemplified by Diagoras of Melos (fl. 415 BCE), labeled an atheist for mocking the Eleusinian Mysteries and denying divine oversight in human affairs.^[13] His exile from Athens underscores the perils faced by skeptics, as authorities viewed such views as threats to civic piety. Socrates (c. 469–399 BCE) faced similar accusations of impiety for questioning state-sanctioned gods and promoting inquiry into divine matters via his daimonion, a personal inner voice, leading to his trial and execution in 399 BCE.^[14] While Socrates professed belief in divine influence, his method of elenchus exposed inconsistencies in religious claims, fostering doubt about unexamined faith.^[14] Hellenistic philosophy advanced skeptical arguments against divine intervention. Epicurus (341–270 BCE) affirmed the existence of gods as blissful, atomic beings in distant realms but rejected fears of punishment or afterlife torments, asserting that natural explanations suffice for phenomena attributed to deities.^[15] His tetrapharmakos emphasized freedom from superstitious dread, influencing later materialist critiques.^[15] Pyrrhonist skeptics, originating with Pyrrho of Elis (c. 360–270 BCE), advocated suspension of judgment (epoché) on all dogmatic assertions, including religious ones, to achieve tranquility.^[4] In Rome, Titus Lucretius Carus (c. 99–55 BCE) propagated Epicurean skepticism in De Rerum Natura, decrying religion as a source of terror and moral corruption, such as human sacrifices, and attributing natural events to atomic swerves rather than godly will.^[16] He argued that superstitious piety hinders scientific understanding, urging reliance on empirical observation.^[17] Parallel developments occurred in ancient India with the Cārvāka (Lokayata) school (c. 600 BCE onward), which rejected Vedic authority, karma, reincarnation, and gods as unverifiable, positing that consciousness arises from material elements and only perceptual evidence yields knowledge.^[18] This materialist empiricism dismissed supernatural explanations, prioritizing sensory data and hedonistic ethics over ritualistic religion.^[18]

Medieval to Enlightenment Eras

In the medieval period, religious skepticism manifested primarily through philosophical challenges to rational demonstrations of doctrine, amid a theological framework that subordinated reason to faith. William of Ockham (c. 1287–1347) contended that human reason could not demonstratively prove the immortality of the soul, the existence of God, or divine attributes such as unity and infinity, necessitating fideistic acceptance on scriptural authority alone.^[19] His nominalist emphasis on divine omnipotence allowed God to intervene arbitrarily, undermining causal necessities inferred by reason and fostering skepticism toward natural theology.^[20] Nicholas of Autrecourt (c. 1300–1369) advanced a more radical epistemic skepticism, asserting that no evident knowledge exists of substance, causality, or efficient production beyond immediate sensory intuition, which extended to doubting rational supports for religious claims about creation and miracles.^[21] Condemned by the University of Paris in 1346 for theses implying heresy, including the denial of demonstrable causal links, Autrecourt recanted in 1347, and his writings were burned, illustrating the era's intolerance for skepticism encroaching on orthodoxy.^[22] Popular-level doubt also surfaced, as Inquisition records from Soria, Spain (1486–1502), document 444 blasphemous declarations from diverse individuals, including denials of heaven and hell as mere fables to control the populace, rejections of God during public outbursts, and assertions that non-Christians could attain salvation without conversion.^[23] The Renaissance revived ancient Pyrrhonian and Academic skepticism via translations of Sextus Empiricus (c. 160–210 CE), prompting critiques of dogmatic certainty in theology and science, though often reconciled with faith through fideism.^[24] By the late 17th century, speculative atheism became conceivable amid scientific empiricism and biblical criticism, marking a shift from isolated doubts to systematic questioning.^[25] In the Enlightenment, skepticism toward revealed religion intensified, prioritizing empirical evidence and reason over tradition. Pierre Bayle (1647–1706), in his Dictionnaire Historique et Critique (1697), cataloged inconsistencies in religious histories and miracles, arguing that reason exposes contradictions in dogma while defending toleration on skeptical grounds that certainty eludes human faculties in theology.^[26] Though a fideist who upheld faith beyond reason, Bayle's erudite dismantling of orthodox narratives influenced deistic critiques of institutional religion.^[27] Voltaire (1694–1778), a deist skeptical of revelation, lambasted ecclesiastical intolerance and superstition in works like Candide (1759), satirizing providential optimism and attributing religious wars to priestly fanaticism rather than divine will.^[28] He advocated a rational theism stripped of miracles and dogma, viewing organized Christianity as a source of error and tyranny exploitable by rulers.^[29] David Hume (1711–1776) delivered empiricist blows to natural religion, rejecting testimony for miracles in "Of Miracles" (1748) due to uniform experience favoring natural laws over violations thereof, and critiquing design arguments in Dialogues Concerning Natural Religion (1779) by highlighting empirical inadequacies in analogizing universe to artifacts.^[30] Hume portrayed popular religion as fear-driven superstition yielding harmful passions, contrasting it with philosophical theism's mitigated skepticism, though he deemed even the latter unsubstantiated by evidence.^[31] These arguments eroded confidence in supernatural claims, paving the way for secular epistemologies.

19th to 20th Century Evolution

In the 19th century, religious skepticism intensified amid rapid scientific progress and materialist philosophies that prioritized observable mechanisms over supernatural explanations. Charles Darwin's On the Origin of Species (1859) proposed natural selection as the driver of biological complexity, undermining teleological arguments for divine design and prompting widespread reevaluation of scriptural accounts of creation among educated elites.^[32] Karl Marx's 1844 critique in A Contribution to the Critique of Hegel's Philosophy of Right framed religion as "the opium of the people," a compensatory ideology that sustains class oppression by diverting attention from economic realities to illusory consolations.^[33] Friedrich Nietzsche's declaration in The Gay Science (1882) that "God is dead" diagnosed the erosion of Christian metaphysics in European culture, attributing it to the triumph of rational inquiry and historical criticism, which he argued necessitated new, non-theistic value systems to avoid nihilism.^[34] The 20th century extended these challenges through psychoanalytic, logical, and existential frameworks, systematically dissecting religion's psychological and epistemological foundations. Sigmund Freud's The Future of an Illusion (1927) portrayed religious belief as a defensive illusion rooted in infantile helplessness and paternal projections, destined to wane under scientific rationality's advance.^[35] Bertrand Russell's 1927 lecture "Why I Am Not a Christian" rejected theistic proofs as flawed—such as first-cause arguments—and condemned Christianity's ethical inconsistencies, like its endorsement of hellfire, as barriers to human progress.^[36] Logical positivism, formalized by the Vienna Circle in the 1920s and articulated in A. J. Ayer's Language, Truth and Logic (1936), dismissed religious propositions as unverifiable and thus cognitively meaningless, confining meaningful discourse to empirical or tautological statements.^[37] Existential philosophers like Jean-Paul Sartre built on Nietzschean skepticism, depicting existence as absurd and devoid of inherent divine purpose, compelling individuals to forge meaning through autonomous choice amid uncertainty.^[34] These developments correlated with measurable secularization in Western Europe, where weekly church attendance fell sharply; for example, in Protestant nations, rates among cohorts born after 1945 hovered below 10-20%, signaling skepticism's integration into broader cultural norms over fideistic traditions.^[38] The devastation of the World Wars further eroded confidence in providential narratives, as mass suffering appeared incompatible with omnipotent benevolence, reinforcing causal analyses favoring naturalistic over theological interpretations of human affairs.^[39]

Philosophical Arguments and Methodology

Epistemological Challenges to Faith

Epistemological challenges to religious faith center on the justification and warrant for accepting propositions about divine realities without empirical verification or intersubjective evidence comparable to scientific claims. These critiques argue that faith, defined as belief held firm despite evidential deficits, violates standards of rational belief formation, such as evidentialism, which requires beliefs to be proportionate to available evidence. In 1877, W.K. Clifford asserted in "The Ethics of Belief" that "it is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence," extending this to religious convictions where supernatural assertions lack the rigorous testing demanded in other domains of inquiry.^[40]^[41] This position underscores a causal disconnect: religious beliefs often originate from testimony, tradition, or personal experience rather than causal chains traceable to observable phenomena, rendering them epistemically precarious.^[6] A prominent challenge arises from divine hiddenness, which questions why an omnipotent, omnibenevolent deity would permit reasonable nonbelief if personal relationship is valued. Philosopher J.L. Schellenberg formalized this in his 1993 work Divine Hiddenness and Human Reason, arguing that a loving God would provide accessible evidence sufficient to eliminate nonresistant unbelief, yet widespread skepticism persists among sincere seekers, implying either divine nonexistence or unwillingness to reveal.^[42] Empirical data supports this: surveys indicate that approximately 16% of the global population identifies as non-religious, with many citing evidential inadequacy rather than moral rebellion. The argument gains force from first-principles reasoning: if divine causation underpins reality, its effects should be discernible beyond subjective interpretation, but hiddenness suggests alternative naturalistic explanations for religious phenomenology, such as cognitive biases toward agency detection.^[42] Religious pluralism exacerbates these issues by presenting conflicting epistemological claims across traditions, each asserting privileged access to ultimate truth via revelation or mysticism. With over 4,000 distinct religions historically documented, and core doctrines like monotheism versus polytheism irreconcilable, the parity of epistemic confidence among adherents implies that belief reliability correlates more with geographic and cultural contingencies than veridical insight.^[43] Critics contend this diversity undermines exclusivist faiths' warrant, as no neutral arbiter exists to adjudicate revelations, leading to a regress where justification loops back on unverifiable premises.^[44] Defenses like Alvin Plantinga's reformed epistemology, positing belief in God as "properly basic" akin to perceptual beliefs, encounter the "Great Pumpkin" objection: if basic beliefs require no evidence, arbitrary fantasies could claim equal status, diluting epistemic standards without falsifiability criteria.^[45] Such critiques highlight that while faith may yield psychological utility, it falters under scrutiny demanding causal accountability and intersubjective corroboration.^[6]

Empirical and Scientific Critiques

Empirical critiques of religious claims emphasize the absence of verifiable, reproducible evidence for supernatural interventions, positing that naturalistic explanations suffice for phenomena once attributed to divine action. Scientific methodologies require hypotheses to be falsifiable and testable through controlled observation, criteria unmet by assertions of miracles, answered prayers, or creation ex nihilo. Where religious predictions have been experimentally probed, outcomes consistently align with null hypotheses, undermining claims of efficacy. For instance, the Study of the Therapeutic Effects of Intercessory Prayer (STEP), a 2006 multicenter trial involving 1,802 cardiac surgery patients, found no reduction in complications from remote prayer by third parties, with patients aware of receiving prayer experiencing a 59% complication rate compared to 52% for those receiving it unbeknownst and 51% for controls.^[46] A meta-analysis of distant intercessory prayer studies similarly concluded no discernible effects beyond chance, attributing apparent positives in smaller trials to methodological flaws like publication bias or expectancy effects.^[47] In biology, the theory of evolution by natural selection provides a mechanistic account of species diversity supported by genetic, fossil, and comparative anatomical data, rendering literal interpretations of creation narratives empirically untenable. Transitional fossils, such as Tiktaalik roseae (discovered 2004, bridging fish and tetrapods), and endogenous retroviruses shared across primates demonstrate common descent rather than independent divine design.^[48] Creationist arguments invoking irreducible complexity, as in bacterial flagella, fail under scrutiny, as evolutionary pathways—via gene duplication and co-option—explain their assembly without invoking supernatural agency.^[49] Genomic evidence, including the 98-99% human-chimpanzee DNA similarity and pseudogene conservation, further corroborates descent with modification over special creation, with no peer-reviewed data supporting young-earth timelines (e.g., 6,000-10,000 years).^[48] Neuroscience elucidates religious experiences as emergent from brain function, diminishing appeals to transcendent origins. Functional MRI studies reveal that mystical states correlate with reduced activity in the parietal lobe (self-other boundary dissolution) and heightened temporal lobe engagement, akin to epileptic seizures or psychedelic effects, without requiring external spiritual input.^[50] Hyperactive agency detection, an evolved cognitive bias for attributing events to intentional agents, underpins anthropomorphic gods, as evidenced by developmental psychology showing children default to teleological explanations later overridden by evidence-based reasoning.^[50] Such findings suggest religious belief arises from adaptive heuristics—e.g., theory of mind circuits projecting human-like intentionality onto nature—rather than veridical perception of divinity, with no neural markers distinguishing "genuine" revelation from hallucination.^[51] Cosmological and physical critiques highlight how standard models obviate divine fine-tuning or intervention. The Big Bang theory, corroborated by cosmic microwave background radiation (measured at 2.725 K uniformity by COBE satellite in 1992 and Planck in 2013), accounts for universe origins via quantum fluctuations and inflation, without evidential gaps necessitating a creator.^[52] Apparent fine-tuning of constants (e.g., cosmological constant at 10^{-120}) is addressed by multiverse hypotheses or anthropic selection, testable via inflationary predictions, rather than untestable design. Religious claims of ongoing miracles, such as faith healings, lack controlled verification; regression to population means explains recoveries, as in Lourdes analyses showing rates indistinguishable from spontaneous remission. These critiques do not preclude deistic gods but eviscerate interventionist theism's empirical pretensions, privileging parsimonious naturalism.^[52]

Problem of Evil and Theodicy Responses

The problem of evil represents a cornerstone argument in religious skepticism, challenging the compatibility of an omnipotent, omniscient, and omnibenevolent deity with observed instances of suffering and moral wrongdoing. Its classical formulation, attributed to Epicurus and preserved in later texts, questions whether a god who is willing but unable to prevent evil lacks power, or able but unwilling lacks goodness, leading skeptics to infer that no such deity exists.^[53] Modern logical versions, as articulated by J.L. Mackie in 1955, assert that the propositions "God is omnipotent," "God is wholly good," and "evil exists" form an inconsistent triad, as a being with unlimited power and benevolence would eliminate all evil.^[54] Skeptics maintain this logical tension persists despite theistic efforts to reconcile it, as proposed resolutions often rely on unverified assumptions about divine nature or human limitations. The evidential variant, advanced by William Rowe in 1979, shifts focus from strict incompatibility to probabilistic disconfirmation: specific cases of seemingly gratuitous suffering—such as a child enduring prolonged, pointless agony from disease or disaster—provide inductive evidence against theism, as no greater good plausibly justifies them under theistic premises.^[55] Rowe's fawn example, involving an animal's intense forest-fire suffering without apparent purpose or moral agency, exemplifies this, arguing that if such evils lack justifying reasons discernible to rational observers, the hypothesis of a benevolent deity becomes less likely than naturalistic alternatives. Religious skeptics leverage empirical data on global suffering scales—e.g., over 2.5 million child deaths annually from preventable causes as of recent WHO estimates—to amplify this evidential force, contending that the volume and intensity of natural and moral evils exceed what first-principles reasoning would expect from an optimizing deity.^[55] Theistic theodicies seek to vindicate divine permission of evil by positing morally sufficient reasons. Alvin Plantinga's free will defense, formalized in 1974, counters the logical problem by arguing that God cannot actualize a world with moral good (dependent on libertarian free choices) without permitting moral evil, as coerced virtue undermines its value; thus, transworld depravity—essences prone to wrongdoing in any feasible world—renders evil's existence logically possible under theism.^[56] Skeptics rebut this by noting its failure to encompass natural evils (e.g., geological disasters predating human agency) and questioning why an omnipotent creator could not instantiate free beings predisposed to universal moral success without logical contradiction, as compatibilist or middle-knowledge models suggest. Empirical critiques highlight that free will does not necessitate observed excess suffering, such as genocides or pandemics, where divine intervention appears absent despite potential for minimal interference preserving agency. Other theodicies include Irenaean soul-making, which views evil as essential for character development toward perfection, and Leibnizian optimism, positing this as the best possible world balancing goods and evils. Skeptics dismiss these as ad hoc, lacking empirical verification; for instance, soul-making fails to explain animal suffering irrelevant to human moral growth, while optimism collides with evidence of suboptimal outcomes like evolutionary inefficiencies yielding pain without commensurate virtue. Skeptical theism, a non-theodicy response, invokes human epistemic limits: just as children cannot grasp parental reasons for allowing pain, finite minds may miss divine justifications for apparent gratuities, neutralizing evidential inferences.^[57] Critics from skeptical traditions counter that this undercuts theistic epistemology broadly, as it symmetrically erodes confidence in religious experiences or fine-tuning arguments, where perceived evidences might similarly mask misleading appearances, rendering theism's positive claims unverifiable.^[58] Ultimately, religious skeptics regard the problem of evil as unresolved by theodicies, sustaining atheism or agnosticism as more parsimonious given causal realities of suffering absent evident divine mitigation.

Key Figures and Intellectual Traditions

Pioneering Thinkers

Xenophanes of Colophon (c. 570–475 BCE) represents one of the earliest recorded systematic critiques of traditional religious conceptions, particularly the anthropomorphic depictions in Homeric and Hesiodic poetry. He argued that gods portrayed with human forms, emotions, and vices—such as thievery, adultery, and mutual deception—reflected cultural projections rather than divine reality, famously noting that if oxen or horses possessed hands, they would fashion gods in their own likeness. Xenophanes posited that true divinity, if it exists, must transcend such limitations, being neither anthropomorphic nor subject to human-like changes, though he acknowledged human inability to fully ascertain divine truths, stating "clearly the gods did not reveal all things to mortals from the beginning, but in time, by seeking, they discover better."^[11]^[12] In the fifth century BCE, Protagoras of Abdera (c. 490–420 BCE) advanced agnosticism toward religious claims, declaring in his work On the Gods that "as to the gods, I have no means of knowing either that they exist or that they do not exist or what their forms are like," citing the obscurity of the subject and the brevity of human life as barriers to certain knowledge. This stance, preserved in Plato's Meno and Diogenes Laërtius, marked a pioneering suspension of judgment on divine existence, distinguishing it from outright denial while challenging dogmatic piety; Protagoras's books were publicly burned in Athens for impiety, reflecting the era's tensions.^[59]^[60] Diagoras of Melos (5th century BCE), dubbed "the Atheist" by ancient sources, exemplified bolder rejection of religious practices, reportedly ridiculing the Eleusinian Mysteries by questioning divine intervention in storms—pointing to shipwrecks despite votive offerings—and disclosing sacred rites, which led to his indictment and flight from Athens around 415 BCE. While fragments of his views are lost, accounts in Sextus Empiricus and Cicero portray him arguing that observable natural events contradicted claims of providential gods, positioning him as an early proponent of empirical doubt against supernatural explanations; modern scholarship debates the extent of his atheism but affirms his role in promoting irreligious critique.^[13] Titus Lucretius Carus (c. 99–55 BCE), in his epic poem De Rerum Natura, extended Epicurean materialism to dismantle religious superstition, asserting that fear of divine wrath and the afterlife originated human religion as a maladaptive response to natural phenomena like thunder and death, rather than genuine revelation. He maintained that gods, if existent, inhabit distant intermundia without interfering in human affairs, rendering traditional rituals and prophecies futile and harmful, as they foster anxiety over tranquility achievable through rational understanding of atomistic causality. Lucretius's work, influenced by Epicurus, systematically prioritized empirical observation over faith, influencing later skeptical traditions despite its limited circulation until rediscovered in the Renaissance.^[17]^[16]

Modern Proponents and New Atheism

The New Atheism movement, which gained prominence in the mid-2000s, represented a assertive form of religious skepticism characterized by public intellectuals who critiqued religious belief as irrational and detrimental to society, advocating instead for a worldview grounded in science and evidence.^[61] This approach contrasted with more accommodationist forms of atheism by directly challenging the societal respect afforded to faith, arguing that religion's claims lack empirical support and often foster division or violence.^[61] The term "New Atheism" was popularized in a 2006 Wired magazine article by Gary Wolf, highlighting figures who rejected euphemisms for superstition and called for open confrontation with religious doctrines. Central to the movement were the so-called "Four Horsemen": evolutionary biologist Richard Dawkins, neuroscientist and philosopher Sam Harris, philosopher Daniel Dennett, and journalist and critic Christopher Hitchens. Dawkins, in his 2006 book The God Delusion, contended that the God hypothesis is unnecessary and improbable, likening religious belief to a persistent delusion propagated by cultural memes rather than evidence, and criticized religious indoctrination of children as abusive. Harris's 2004 book The End of Faith linked religious dogma to terrorism, particularly post-9/11 Islamist extremism, asserting that faith-based reasoning evades rational scrutiny and endangers global stability, while proposing spirituality through meditation decoupled from doctrine.^[62] Dennett's 2006 work Breaking the Spell: Religion as a Natural Phenomenon urged scientific investigation into religion's evolutionary origins, treating it as a byproduct of cognitive adaptations rather than divine revelation, and warned against shielding faith from empirical analysis. Hitchens, in God Is Not Great (2007), argued that religion poisons human morality and progress by inventing doctrines that justify cruelty, from inquisitions to modern fundamentalism, and maintained that ethical conduct arises independently of theistic claims. These proponents employed first-principles reasoning from biology, neuroscience, and philosophy to dismantle theological arguments, emphasizing falsifiability and Occam's razor over unfalsifiable assertions of faith. They participated in high-profile debates and a 2007 recorded discussion that amassed millions of views, amplifying skepticism through media and best-selling publications that collectively sold tens of millions of copies.^[63] Their critiques focused on causal links between religious tenets and historical harms, such as scriptural endorsements of violence, while dismissing accommodations like "moderate" religion as enablers of extremism.^[61] The movement spurred growth in secular organizations, including the Richard Dawkins Foundation for Reason and Science (founded 2006), and contributed to atheism's rising visibility, with U.S. "nones" increasing from 16% in 2007 to 29% by 2021 per Pew Research surveys. However, by the 2010s, New Atheism faced internal divisions over issues like gender dynamics and political alignments, and external critiques for underemphasizing religion's social benefits or overgeneralizing from outliers, though its core insistence on evidence-based discourse persists in ongoing works by survivors like Dawkins and Harris.^[61] Dennett died in 2024, and Hitchens in 2011, marking the end of the original quartet's collaborative phase.

Organized Skepticism and Movements

Secular Organizations and Societies

The Freedom From Religion Foundation (FFRF), co-founded in 1976 by Anne Nicol Gaylor and her daughter Annie Laurie Gaylor and formally incorporated in 1978, operates as the largest freethought association in the United States, with more than 39,000 members comprising atheists, agnostics, and skeptics.^[64] ^[65] The organization litigates against government endorsement of religion, such as public funding for religious displays or prayers at official events, and conducts public awareness campaigns to highlight nontheistic perspectives, including billboards and advertisements challenging religious privileges.^[66] American Atheists, established in 1963 by Madalyn Murray O'Hair in the wake of the U.S. Supreme Court's Abington School District v. Schempp ruling that prohibited mandatory Bible reading and prayer in public schools, advocates for strict church-state separation through lawsuits, lobbying, and media outreach.^[67] ^[68] The group has pursued over 50 years of legal challenges against religious intrusions in public institutions, such as military chaplains' roles and Ten Commandments monuments on government property, while publishing resources to normalize atheism and critique faith-based claims.^[67] The Center for Inquiry (CFI), encompassing the Committee for Skeptical Inquiry (CSI)—originally founded in 1976 as the Committee for the Scientific Investigation of Claims of the Paranormal—applies empirical methods to scrutinize religious assertions alongside pseudoscience and paranormal beliefs.^[69] CFI's initiatives include publishing the Skeptical Inquirer magazine, which features peer-reviewed analyses questioning supernatural elements in theology, and hosting conferences that dissect faith-based epistemologies in favor of evidence-based reasoning.^[69] Through its Council for Secular Humanism, CFI promotes ethical frameworks independent of religious doctrine, influencing policy debates on issues like end-of-life choices and education standards.^[70] Internationally, Humanists International serves as the umbrella body for over 120 member organizations spanning more than 60 countries, coordinating advocacy for secular humanism that rejects religious dogma in governance and human rights.^[71] It supports persecuted nonbelievers in regions with blasphemy laws, lobbies at bodies like the United Nations for protections against religious discrimination, and funds projects to build secular communities, emphasizing rational ethics over theistic authority.^[72] These groups collectively report millions in annual budgets for legal and educational efforts, though their influence remains contested amid claims of overemphasizing confrontation over dialogue with religious institutions.^[73]

Influence on Culture and Policy

Religious skepticism, through organized movements and advocacy, has contributed to the normalization of secular worldviews in Western media and education. Books by New Atheist figures such as Richard Dawkins' The God Delusion (2006) and Sam Harris' The End of Faith (2004) became international bestsellers, selling millions of copies and sparking widespread public debates that elevated skeptical critiques of religion from academic margins to mainstream discourse.^[74]^[75] These works popularized arguments against religious influence in society, influencing online communities and media portrayals that increasingly frame faith as incompatible with scientific rationality, thereby fostering a cultural shift toward viewing skepticism as a marker of intellectual sophistication. In education, skeptical organizations have pushed curricula emphasizing empirical evidence over doctrinal teachings; for instance, campaigns by groups like the Center for Inquiry have advocated for science-based instruction in public schools, reducing the prevalence of creationism in U.S. biology classes following legal victories in the 1980s and 2000s.^[75] On policy, organized religious skeptics have leveraged litigation to enforce strict interpretations of church-state separation, particularly in the United States under the First Amendment's Establishment Clause. The Freedom From Religion Foundation (FFRF), founded in 1976, has initiated over 1,000 lawsuits challenging government endorsement of religion, including successful actions to remove Ten Commandments monuments from public property and halt school-sponsored prayers.^[76] In Hein v. Freedom From Religion Foundation (2007), the U.S. Supreme Court addressed FFRF's challenge to taxpayer-funded conferences promoting President George W. Bush's faith-based initiatives, ruling on standing but highlighting ongoing tensions over public funding for religious organizations over secular alternatives.^[77] Such efforts have influenced broader policy trends, including the 2017 dismissal of FFRF's suit against a Trump executive order expanding religious exemptions in healthcare, underscoring skeptics' role in contesting policies perceived as privileging faith-based providers.^[78] Internationally, skeptical advocacy has supported secular laws, as seen in France's 1905 law on separation of church and state, rooted partly in Enlightenment-era critiques that diminished clerical influence on governance.^[79] These actions reflect a causal push toward policies prioritizing empirical neutrality, though critics argue they sometimes overextend into restricting voluntary religious expression.^[80]

Criticisms and Limitations

Overreach in Dismissing Non-Empirical Knowledge

Critics of religious skepticism contend that an exclusive emphasis on empirical evidence constitutes an overreach by invalidating non-empirical epistemic warrant, such as a priori reasoning and foundational beliefs not derived from sensory data.^[6] This evidentialist demand, often rooted in classical foundationalism, requires all beliefs to be supported by evidence or further beliefs tracing back to self-evident truths or sensory experiences, yet fails to account for the rational status of beliefs like the existence of other minds, which are inferred analogically rather than directly observed.^[6] Alvin Plantinga critiques this as self-referentially inconsistent, arguing that evidentialism lacks evidence for its own principle and imposes an arbitrary standard not met by everyday cognition.^[6] Reformed epistemology, advanced by Plantinga, posits that theistic belief can be properly basic—rationally held without propositional evidence—much like perceptual beliefs or memory recollections, which skeptics accept despite lacking empirical justification for their reliability.^[45] Plantinga's model draws on the sensus divinitatis, a faculty yielding direct awareness of God, warranting belief in suitable conditions without needing external validation.^[45] Dismissing such non-inferential justification risks epistemic parochialism, as it privileges empirical modes while overlooking deductive arguments, such as those concerning necessary being or causal principles, which underpin cosmology and metaphysics independent of experimentation.^[81] This stance often aligns with scientism, asserting that only scientific inquiry yields genuine knowledge, a thesis undermined by its own non-empirical origin.^[82] Proponents like J.P. Moreland highlight that scientism cannot be falsified or confirmed through observation, rendering it philosophically circular and incapable of addressing domains like ethics, logic, or intentionality, where empirical methods falter.^[83] Such overreach manifests in double standards: skeptics rely on unobservable entities like electrons or multiverses inferred from indirect data, yet reject religious testimony or cumulative philosophical cases for lacking repeatable lab results.^[84] This selective empiricism, critics argue, conflates methodological naturalism with ontological claims, sidelining rational inquiry into ultimate explanations.^[81]

Psychological and Sociological Biases in Skeptics

Despite self-perceptions of superior rationality, religious skeptics exhibit myside bias, a form of cognitive distortion where individuals evaluate arguments more critically when they oppose their preexisting views than when they support them. A 2017 study analyzing 228 Slovakian participants found that non-believers, including atheists, displayed higher levels of myside bias compared to religious believers, despite lower self-reported dogmatism; this bias persisted even after controlling for education and cognitive ability, suggesting it undermines claims of unyielding objectivity in dismissing religious arguments.^[85] Myside bias correlates weakly or not at all with general intelligence, implying that intellectually capable skeptics remain prone to partisan reasoning when assessing evidence for or against supernatural claims.^[86] Confirmation bias similarly afflicts skeptics, manifesting as a selective focus on disconfirming evidence for religious doctrines while overlooking philosophical or experiential supports for faith, such as arguments from contingency or reported miracles. Psychological research indicates this bias operates universally, with skeptics reinforcing naturalistic worldviews by prioritizing empirical anomalies in religious texts over holistic evaluations, akin to how believers might favor scriptural harmony.^[87] The bias blind spot exacerbates this, as individuals across ideologies, including skeptics, perceive themselves as less susceptible to distortion than others, leading to overconfidence in antireligious conclusions derived from incomplete scrutiny.^[88] Sociologically, skeptic communities foster groupthink, where conformity pressures suppress nuanced engagement with religious perspectives, mirroring dynamics in ideological enclaves. Analysis of atheist and humanist organizations reveals a shift from open inquiry to ideological rigidity, with members increasingly aligning on politically charged dismissals of faith, such as equating religion with irrationality without proportional critique of secular dogmas like unchecked scientism.^[89]^[90] This echo-chamber effect intensifies among educated urban demographics overrepresented in skepticism, where higher intelligence correlates with entrenched myside thinking rather than dispassionate analysis, perpetuating a cultural disdain for religion that privileges materialist explanations irrespective of evidential gaps.^[91] Such biases contribute to polarized debates, as skeptics undervalue the social cohesion and moral frameworks religion provides, evidenced by studies showing non-religious groups' reputational incentives to signal prosociality amid stereotypes of immorality.^[92]

Religious Counterarguments and Evidence

Historical and Experiential Validations of Faith

Proponents of religious faith point to the resurrection of Jesus Christ as a pivotal historical event supported by multiple lines of evidence, including the empty tomb, post-mortem appearances to skeptics and disciples, and the rapid transformation of early followers from fearful deserters to bold proclaimers willing to die for their testimony. Scholar Gary Habermas has documented over 1,400 scholarly publications since 1975 analyzing the death, burial, and resurrection, with a consensus among critical scholars on facts such as Jesus' crucifixion under Pontius Pilate around 30-33 CE, the disciples' experiences of seeing the risen Jesus, and the conversion of skeptics like Paul and James. These elements, drawn from sources within decades of the events, defy naturalistic explanations like hallucination or theft of the body, as they occurred to groups over 40 days and prompted the explosive growth of Christianity despite persecution.^[93] Biblical prophecies offer another historical validation, with texts like Isaiah 53 (written circa 700 BCE) detailing a suffering servant pierced for transgressions and buried with the rich—details fulfilled in Jesus' crucifixion and tomb provided by Joseph of Arimathea, as corroborated by non-Christian historians Tacitus and Josephus. Archaeological finds, such as the Pilate Stone confirming Pontius Pilate's prefecture in Judea from 26-36 CE and the Caiaphas ossuary linking to the high priest involved in Jesus' trial, bolster the historical context of these fulfillments. Estimates suggest around 2,000 of the Bible's 2,500 prophecies have been verified through historical records, including the fall of Tyre (Ezekiel 26, fulfilled by Alexander the Great in 332 BCE) and the destruction of Babylon (Isaiah 13, completed by 539 BCE), events improbable without divine foreknowledge given their specificity and pre-dating fulfillment by centuries.^[94]^[95] Experientially, documented miracles at Lourdes, France, since 1858 provide empirical challenges to skepticism, with the Lourdes Medical Bureau—a panel of physicians including non-Catholics—certifying 70 cures as scientifically inexplicable after rigorous scrutiny involving medical records, biopsies, and long-term follow-up. For instance, the 1902 healing of Marie Bailly from tuberculous peritonitis, verified by multiple doctors including Nobel laureate Alexis Carrel, showed rapid resolution of advanced pathology defying known treatments of the era. A 2013 review of cures up to 1976 confirmed their exceptional nature, with no relapses and pathologies incompatible with spontaneous remission rates below 1%. Near-death experiences (NDEs) further validate transcendent realities, as studies of over 2,000 cases reveal consistent veridical perceptions—such as accurate details of resuscitation efforts during clinical death—correlating with heightened belief in an afterlife across cultures, independent of prior religious affiliation.^[96]^[97]^[98] Philosopher Antony Flew's late-life shift from atheism to deism in 2004, after decades advocating skepticism, underscores experiential reevaluation driven by scientific data on cosmic fine-tuning and DNA's informational complexity, which he argued necessitated an intelligent cause over unguided processes. This transition, detailed in his book There Is a God, reflects a broader pattern where empirical observations of order in biology and physics lead former skeptics toward acknowledging a designing intelligence, though Flew stopped short of personal faith commitments. Such cases highlight how direct engagement with evidence can validate foundational religious postulates against presumptive dismissal.^[99]

Compatibility of Reason and Revelation

Theological traditions, particularly within Christianity, have long maintained that reason and revelation operate in harmony, with the former illuminating natural truths accessible to human intellect and the latter disclosing supernatural realities that transcend but do not contradict rational inquiry.^[100] This view posits a unified truth originating from a divine source, where apparent conflicts arise from human misinterpretation rather than inherent opposition.^[101] Proponents argue that reason serves as a preparatory tool, demonstrating foundational propositions like the existence of a necessary being, which align with revealed doctrines without supplanting them.^[102] In the 13th century, Thomas Aquinas systematized this compatibility in works such as the Summa Theologica, distinguishing between truths knowable by reason alone—such as God's existence proved through the Five Ways (arguments from motion, causation, contingency, degrees of perfection, and teleology)—and mysteries of faith like the Incarnation or Trinity, which exceed rational demonstration yet remain consistent with logical principles.^[103] Aquinas held that God, as author of both nature (explored by reason) and scripture (conveying revelation), ensures no genuine discord, with faith perfecting reason by directing it toward ultimate ends.^[104] He rejected fideism, which subordinates reason entirely, and rationalism, which denies revelation's necessity, insisting instead that philosophical tools aid theology while revelation resolves reason's limitations in grasping divine essence.^[102] This framework influenced medieval scholasticism, fostering advancements in logic and natural philosophy that presupposed rational order in creation as evidence of divine intellect.^[100] Modern defenses extend this tradition through reformed epistemology, as articulated by Alvin Plantinga in the late 20th century. Plantinga argues that belief in God can be "properly basic"—rationally warranted without requiring evidential support from reason, akin to perceptual beliefs—yet fully compatible with rational scrutiny, as the Holy Spirit's internal testimony provides cognitive reliability without violating epistemic norms.^[45] In Warranted Christian Belief (2000), he contends that Christian theism, when true, yields knowledge that withstands de jure objections from skeptics demanding propositional evidence, emphasizing that faith restores rather than undermines reason's proper function.^[105] Critics of evidentialism, Plantinga notes, overlook how non-inferential beliefs underpin all knowledge, allowing revelation to integrate seamlessly with rational faculties.^[45] Empirical alignments further illustrate this compatibility, as seen in historical instances where rational investigation corroborated revelatory claims. For example, the Kalam cosmological argument, rooted in medieval Islamic philosophy and refined by Aquinas, posits that the universe's finite past aligns with Genesis's depiction of creation ex nihilo, a view retrospectively supported by 20th-century Big Bang cosmology positing a temporal beginning around 13.8 billion years ago.^[100] Such convergences suggest revelation anticipates rational discoveries, countering skeptical dismissals by demonstrating causal coherence between divine disclosure and observable order.^[106] However, compatibility requires interpretive humility, as dogmatic literalism has occasionally clashed with scientific progress, underscoring the need for reason to refine understandings of revelation without negating its authority.^[107]

Contemporary Dynamics

Global Rise of Non-Religious Identities

The global population identifying as religiously unaffiliated—encompassing atheists, agnostics, and those with no particular religious affiliation—increased from approximately 1.6 billion in 2010 to 1.9 billion in 2020, representing a 17% growth and accounting for about 24% of the world's population by the latter year.^[108] ^[109] This numerical expansion occurred amid overall world population growth, with the unaffiliated share rising modestly as the proportion affiliated with any religion declined by nearly 1 percentage point, from 76.7% to around 75.8%.^[110] However, this trend was uneven geographically: declines in religious affiliation of at least 5 percentage points materialized in 35 countries between 2010 and 2020, predominantly in Europe, North America, and parts of East Asia, while high-fertility regions in sub-Saharan Africa and the Middle East sustained religious growth through demographic momentum.^[111] Regional data underscores the concentration of non-religious growth in secularizing societies. In Western Europe, countries like the Czech Republic and the United Kingdom reported unaffiliated populations exceeding 50% by the early 2020s, with the UK surpassing theists in atheist numbers according to a 2024 analysis attributing rises to analytical thinking and weakened institutional trust.^[112] ^[113] In East Asia, China's state-enforced secularism contributed to an estimated 79% atheist or agnostic proportion in 2020 estimates, bolstering global figures.^[112] North America mirrored this, with U.S. unaffiliated adults reaching 28% by 2023, driven by generational shifts where younger cohorts disaffiliate at rates over 35% from their upbringing.^[114] Conversely, in Latin America and Africa, religious retention remained robust, with Islam's rapid expansion—fueled by higher birth rates—outpacing unaffiliated gains in those areas.^[115] Factors correlated with this rise include rising education levels, urbanization, and exposure to scientific frameworks, which empirical studies link to diminished religious adherence in industrialized contexts, though causation remains debated given confounding variables like cultural inheritance.^[113] Notably, many unaffiliated individuals retain spiritual or supernatural beliefs, such as in an afterlife, with surveys across 22 countries in 2025 revealing that a majority of "nones" endorse at least some non-empirical convictions, complicating strict categorizations of atheism or pure skepticism.^[116] Projections suggest continued numerical growth for the unaffiliated through 2050, potentially reaching 2.5 billion, but stabilizing as a global share below 25% due to fertility differentials favoring religious groups.^[117]

Backlash, Conversions, and Ongoing Debates

Religious skepticism, particularly the assertive forms associated with New Atheism in the early 2000s, encountered significant backlash from both philosophical communities and within secular circles for its perceived superficial engagement with theological arguments and overreliance on scientism. Philosophers critiqued figures like Richard Dawkins and Sam Harris for bypassing rigorous metaphysical debates, treating religious belief as merely a scientific hypothesis testable by empirical means alone, which ignored longstanding philosophical defenses of faith such as those rooted in ontology or epistemology.^[118] Internal divisions exacerbated this, as the movement fractured over issues like free will denial—contradicting everyday intuitions of moral agency—and failure to address cultural relativism in ethics without divine foundations.^[119] By the mid-2010s, New Atheism's influence waned, with observers noting its collapse amid scandals involving leaders and inability to sustain broad appeal beyond polemics.^[120]^[121] Conversions from skepticism to religious belief, though not statistically dominant, provide empirical counterpoints, often driven by intellectual reevaluations of evidence like the universe's fine-tuning or historical claims of miracles. Philosopher Antony Flew, a longtime atheist, shifted to deism in 2004 after concluding that the complexity of DNA and cosmic constants pointed to an intelligent designer, as detailed in his book There Is a God.^[122] In 2023, Ayaan Hirsi Ali, a prominent ex-Muslim atheist and critic of religion, announced her conversion to Christianity, citing its role in providing civilizational resilience against authoritarianism and personal fulfillment amid mental health struggles—contrasting her prior endorsement of New Atheist scientism.^[123] Research by Jana Harmon, interviewing 50 former atheists who embraced Christianity, identified common pathways: relational influences (e.g., friendships exposing experiential faith), intellectual evidence (e.g., resurrection historicity), and existential crises revealing skepticism's inadequacy for meaning-making, with conversions occurring across demographics but often after prolonged doubt.^[124] These cases challenge the notion of irreversible skepticism, as converts reported causal shifts from evidential scrutiny rather than mere emotionalism.^[125] Ongoing debates center on whether empirical evidence can adjudicate faith claims, with skeptics demanding repeatable lab data for miracles while proponents highlight historical testimonies and Bayesian analyses of events like Jesus' resurrection, which converted initial doubters such as his apostles despite risks of persecution.^[126] Contemporary discussions, as in 2025 forums, emphasize fine-tuning arguments—where physical constants' precision (e.g., gravitational constant varying by 1 in 10^60 would preclude life)—as probabilistic evidence favoring design over multiverse speculation, prompting some skeptics to reconsider.^[127] Critics of skepticism argue it exhibits bias by dismissing non-falsifiable experiential knowledge (e.g., answered prayers' cumulative patterns), akin to rejecting dark matter for lack of direct observation yet inferring it from gravitational effects.^[128] Conversely, skeptics counter that faith's reliance on revelation undermines causal realism, prioritizing subjective priors over Occam's razor. These exchanges persist in podcasts and academic papers, underscoring no consensus on whether skepticism's evidentiary bar excludes valid non-empirical rationales for belief.^[129]

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Oct 3, 2018 · Not only is strong scientism false, but it is self-refuting. In addition, nothing will ever be discovered that can change this. No amount of ...Missing: argument | Show results with:argument
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Reason and Belief in an Age of Empirical Science - Article - Renovatio
Sep 25, 2025 · This selective application of reason creates a double standard: theists are expected to provide demonstrable proof of God's existence, while ...
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Oct 1, 2017 · Non-believers, including atheists, were lower in self-reported dogmatism, but higher in intolerance of contradiction and myside bias. Christian ...
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Myside Bias, Rational Thinking, and Intelligence - Sage Journals
Aug 5, 2013 · Myside bias is when people evaluate evidence biased toward their own prior opinions and attitudes, and it shows little relation to intelligence.
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Nov 21, 2013 · Atheists often accuse christians of confirmation bias, but we all do it to some degree – it is part of developing a consistent world view. But ...
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Bias in bias recognition: People view others but not themselves as ...
Biases perpetuate when people think that they are innocent whereas others are guilty of biases. We examined whether people would detect biased thinking and ...
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Why atheists are not as rational as some like to think
Sep 27, 2018 · Indeed, atheists are just as susceptible as the next person to “group-think” and other non-rational forms of cognition. ... But are atheists more ...
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From Free Thought to Groupthink: How Humanism Lost Its Way
Nov 25, 2024 · Atheist and humanist groups and organisations have been an abject failure in rationally examining and critiquing current, fashionable causes.
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Sep 16, 2025 · Bias and other cognitive blind spots are especially prevalent among the most intelligent and highly educated members of society, precisely ...
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Generous heathens? Reputational concerns and atheists' behavior ...
We argue that atheists (but not Christians) experience unique reputational concerns due to stereotypes that their group is immoral, which in turn affect their ...
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Resurrection Research from 1975 to the Present - Gary Habermas
Since 1975, more than 1400 scholarly publications on the death, burial, and resurrection of Jesus have appeared. Over the last five years, I have tracked these ...
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Fulfilled Prophecy: Evidence for the Reliability of the Bible
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Archaeological Evidence for Prophet Isaiah
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3 Miracles at Lourdes (Approved and Scientifically Validated)
Feb 10, 2022 · A look at three miracles of Our Lady of Lourdes: Marie Bailly (and the conversion of Alexis Carrel), Gabriel Gargam, and John Traynor. Start ...
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Near-Death Experiences and Religious Experience - MDPI
Feb 11, 2022 · Specifically, many patients who experience NDEs report a stronger belief in life after death, renewed sense of purpose, increased self-esteem, ...
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Where the Evidence Leads | Discovery Institute
May 29, 2008 · Antony Flew declared his “conversion” to deism in 2004. That is, he now believes in an “infinite Intelligence,” the source of life and the universe.
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Oct 24, 2013 · Here's more on Aquinas' thinking on the complementary nature of faith and reason: Christianity's engagement with non-Christian thought proceeds ...<|separator|>
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How I Fell in Love with St. Thomas Aquinas - Word on Fire
Mar 7, 2024 · Thomas. He taught that faith and reason are compatible because God is the ultimate author of both the book of nature (reason) and the book ...
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St. Thomas Aquinas: Harmony Between Faith and Reason
Jun 14, 2010 · In short, Thomas Aquinas demonstrated that a natural harmony exists between Christian faith and reason. This was Thomas' great achievement.
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Thomas Aquinas and the Role of Reason: An Epistemology of Faith
Dec 7, 2015 · Thomas distinguishes between reason and faith, he never separates them. He believes in a unity of knowledge distinguished only by source and epistemological ...
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[PDF] Thomas Aquinas's Understanding of Faith & Reason
Sep 17, 2023 · Even the mysteries of the faith are not irrational. On the other hand, Aquinas does not believe that reason alone can bring us to faith in God. ...
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[PDF] Alvin Plantinga's Reformed Epistemology - Dallas Baptist University
It seems, then for Plantinga, that belief in God is not opposed to reason; rather it restores reason and enables one to think normally. Interestingly, the third ...
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Faith Needs Philosophy: A Primer on the Relationship between ...
Apr 23, 2014 · This question regarding the “evidence” of faith is at the heart of Catholicism, where the great synthesis between reason and revelation is fully ...
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Faith and Reason | Internet Encyclopedia of Philosophy
The truth of original revelation cannot be contrary to reason. But traditional revelation is even more dependent on reason, since if an original revelation ...<|separator|>
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4. Religiously unaffiliated population change - Pew Research Center
Jun 9, 2025 · Around the world, the number of people who say they have no religious affiliation grew by 17%, from 1.6 billion in 2010 to 1.9 billion in 2020.
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Between 2010 and 2020, the world's religious composition changed ...
Jun 11, 2025 · Meanwhile, the religiously unaffiliated, including atheists, agnostics, and those who identify with no particular faith, now make up 24.2% of ...<|separator|>
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How the global religious landscape changed from 2010 to 2020
Oct 16, 2025 · Since 2010, the share of the global population that has any religious affiliation has declined by nearly 1 percentage point (from 76.7%) while ...
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How religion declines around the world | Pew Research Center
Sep 2, 2025 · From 2010 to 2020, the share of the population that was affiliated with any religion dropped at least 5 percentage points in 35 countries, ...Missing: non- | Show results with:non-<|separator|>
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Study explains global rise in atheism and shows that atheists now ...
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Religious 'Nones' are now the largest single group in the U.S. - NPR
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Islam is the fastest growing religion in the world, Pew study says - OPB
Jun 10, 2025 · Muslims are the fastest-growing faith group, followed by the religiously unaffiliated, according to a new Pew Research Center study.Missing: statistics | Show results with:statistics
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Many Religious 'Nones' Around the World Hold Spiritual Beliefs
Sep 4, 2025 · Many religious “nones,” which include atheists and agnostics, in 22 countries hold religious or spiritual beliefs, such as in an afterlife ...
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The Future of World Religions: Population Growth Projections, 2010 ...
Apr 2, 2015 · In 2010, censuses and surveys indicate, there were about 1.1 billion atheists, agnostics and people who do not identify with any particular ...
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Why do philosophers dislike new atheism? : r/askphilosophy - Reddit
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What Is Wrong with the New Atheism? | Houston Christian University
Dec 18, 2015 · PROBLEM #1: FREE WILL ... The New Atheists are up front about our lack of free will. Sam Harris states it explicitly : “Free will is an illusion.<|separator|>
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New atheism has collapsed. The tide is turning on belief in God
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New Atheism Is Dead. What's the New New Atheism?
Far fewer British people agree with vitriolic assertions about religion. Still, disbelief in God is on the rise in both the UK and the US.
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What Is Happening to All the Atheists? - CultureWatch
Apr 23, 2024 · Many former atheists have either converted to Christianity, passed away, or lost their "lustre," with some notable figures like Dennett and ...
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One of the world's most famous atheists becomes a Christian
Nov 14, 2023 · The latest sign of this is the announcement of Ayaan Hirsi Ali that she has become a Christian. Hirsi Ali is one of the most impressive public ...<|separator|>
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50 Atheists Found Christ. This Researcher Found Out Why.
CS Lewis Institute teaching fellow and Side B Stories podcast host Jana S. Harmon presents findings from her conversations with 50 atheists who came to faith.
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Evidence for our faith: conversion of Skeptics
Apr 12, 2025 · The resurrection of Jesus Christ stands as a pivotal claim of Christianity, and its credibility is bolstered by the transformations of skeptics.
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The Evidence for the Resurrection | From Skepticism to Belief | Pt. 1
One of the most interesting evidences for the truth of Christianity and, in particular, the Resurrection of Jesus Christ, is the testimony of former skeptics.Missing: empirical | Show results with:empirical
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THREE Arguments that are Moving the Needle on Faith in 2025
Mar 26, 2025 · Glen Scrivener compares Christian vs Atheist debates from the heyday of The New Atheism to debates from the past year. Do the 321 course now ...
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https://www.youtube.com/watch?v=7UqTii697ws
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Conversion, Causes, and Closed-Mindedness | Journal of the ...
Mar 24, 2020 · Empirical evidence suggests that morally virtuous behavior can lead to morally vicious behavior. I am suggesting the same probably goes for ...