Concept

Secular Humanism

Intro

Secular humanism is the worldview that says: humans matter, reason works, ethics is real, and meaning is found here in this life. The catch? It says all of that with no god, no revelation, and no supernatural anything in the picture.

A lot of modern Western life runs on this assumption without naming it. Most people who would not call themselves atheists still default to it: be kind, be reasonable, build a better world, and leave God out of the public square. Roughly 50 to 100 million people would explicitly sign on, but the cultural reach is much wider.

The movement has organized roots. It grew out of the Renaissance (which was still Christian) and then the 18th-century Enlightenment (which started pulling away from Christianity). Big names: Voltaire, Hume, Auguste Comte, John Dewey. Three Humanist Manifestos (1933, 1973, 2003) tried to spell out the program. The American Humanist Association is the main US institution. Even the United Nations' Universal Declaration of Human Rights leans on humanist framing.

The Christian case against secular humanism is not that humanists are bad people. Many are kind, thoughtful, and decent. The case is that the worldview lives off borrowed capital. Human dignity, universal rights, the obligation to love strangers, the worth of the weak, these are not natural to pre-Christian cultures and they do not survive long without the metaphysical foundation that gave them birth. Tom Holland (Dominion) and Nietzsche (from the other side) agree on this much: secular humanism is Christianity minus God, and the "minus God" part eventually shows up in what gets discarded next.

This page sits in World Religions because secular humanism functions as a worldview, even when its adherents protest that it is "just rationality."

In full

Secular Humanism is a life-stance and worldview affirming human dignity, reason, ethics, and this-worldly meaning without reference to deity, revelation, or supernatural reality. It holds that human beings, working through reason and cooperative inquiry, can ground morality, identify purpose, and build a just society, all without appeal to a god. Estimated adherents are difficult to count because most secular humanists do not self-identify by that label; broad estimates run from 50 to 100 million people if defined by active commitment to humanist organizations or explicit philosophical assent. Secular Humanism is filed under World Religions because it functions as a worldview competitor to religion, making parallel claims about meaning, morality, and the human good, not because it is a religion in the liturgical or doctrinal sense (though the legal record is more ambiguous; see below).

History and Origins

The etymology traces to Renaissance humanism: Petrarch and Erasmus championed human learning, classical letters, and the dignity of the person, but within an explicitly Christian theological frame. Their humanism was not secular; it is the etymological ancestor, not the ideological one.

The genuinely secular trajectory begins with the 18th-century Enlightenment. Voltaire, Diderot, Hume, and their contemporaries drove a wedge between morality and revealed religion, argued that reason alone could underwrite ethics, and subjected scripture to historical-critical scrutiny. The 19th century deepened this: Auguste Comte's positivism held that knowledge progresses from the theological stage through the metaphysical to the purely scientific; Robert Ingersoll, the American "Great Agnostic," popularized freethought in popular lectures across the United States; Charles Darwin's evolutionary framework appeared to render divine creation unnecessary as a biological explanation.

The organized humanist movement crystallized in the 20th century:

Humanist Manifesto I (1933), signed by philosopher John Dewey and 33 others; described humanism as a "religion" in a functional sense, affirming human-centered values over theistic ones.
Humanist Manifesto II (1973), reissued amid post-war disillusionment; explicitly rejected supernatural claims and grounded ethics in human welfare.
Humanist Manifesto III (2003), shorter, focused on scientific naturalism, human flourishing, and progressive social values.
American Humanist Association (founded 1941), the primary US institutional body; publishes The Humanist.
Council for Secular Humanism (founded 1980, Paul Kurtz), distinguished "secular" from the religious-humanist wing; publishes Free Inquiry.

Core Commitments

Naturalism: only natural causes and entities exist; there is no supernatural realm, no God, no soul distinct from the biological organism, and no afterlife. See Naturalism.
Reason and science as the primary epistemic methods: empirical inquiry, logical argument, and scientific method are the reliable routes to knowledge; appeals to revelation, tradition, or authority are not independently credible.
Ethics grounded in human flourishing: moral norms are justified by their contribution to well-being, dignity, and social cooperation, not by divine command or natural law derived from theistic metaphysics.
Human dignity and rights as the central moral category: every person possesses inherent worth; the secular humanist tradition has generally championed liberal democracy, civil rights, and the abolition of torture and degrading treatment.
This-worldly meaning: life is meaningful here, in relationships, creativity, knowledge, and service, and does not require reference to an afterlife or cosmic telos. Death is the end of personal existence.
Democracy and pluralism: preferred social-political arrangements because they protect individual conscience, free inquiry, and minority dissent.
Free inquiry and skepticism of authority: no text, institution, or tradition is beyond rational scrutiny; critical thinking is the cardinal intellectual virtue.

Key Thinkers and Works

Thinker	Key Work	Contribution
John Dewey	A Common Faith (1934)	Argued religious emotion can be detached from supernaturalism; early template for humanist life-stance
Bertrand Russell	Why I Am Not a Christian (1927)	Accessible popular critique of Christian theology and ethics; widely read across the 20th century
Corliss Lamont	The Philosophy of Humanism (1949)	Systematic philosophical statement; went through eight editions
Paul Kurtz	In Defense of Secular Humanism (1983); Forbidden Fruit (1988)	Founder of CSICOP and Council for Secular Humanism; most influential 20th-c. organizer
Richard Norman	On Humanism (2004)	Compact contemporary philosophical defense
Sam Harris	The Moral Landscape (2010)	Argues science can ground objective moral facts; Harris distances himself from organized humanism but his project is broadly humanist
A.C. Grayling	The God Argument (2013)	Both critique of theism and positive humanist case
Steven Pinker	The Better Angels of Our Nature (2011); Enlightenment Now (2018)	Empirical case that Enlightenment values have produced measurable moral progress; strongest contemporary academic defense

See also the people pages for Bertrand Russell and Sam Harris.

Institutional Expressions

American Humanist Association (USA; founded 1941), primary advocacy and publishing body.
Humanists UK (formerly British Humanist Association), largest national organization; active in lobbying on education and assisted dying.
Council for Secular Humanism (USA; founded 1980), explicitly non-religious wing; publishes Free Inquiry; founded by Paul Kurtz after tension with AHA over religious-humanist accommodation.
Humanists International (formerly International Humanist and Ethical Union), umbrella for national organizations across approximately 40 countries.
Ethical Culture movement (Felix Adler, 1876), the oldest formal expression; consciously congregational in form, with Sunday meetings, officiated ceremonies, and social service; represents the religious-humanist stream.

Variants

Secular humanism (the dominant form): explicitly non-religious; naturalistic metaphysics; rejects the "religion" label.
Religious humanism: humanist values delivered through congregational forms: Unitarian Universalist congregations, Ethical Culture societies, some liberal Jewish communities. Uses "religion" to mean ultimate commitment to human dignity rather than theistic belief.
Scientific humanism: emphasizes the scientific method as not merely an epistemic tool but the model for all sound inquiry, including ethics; Kurtz's "eupraxsophy" concept belongs here.
Christian humanism (important bracket): the Renaissance position of Erasmus, More, and Pico della Mirandola. Affirms human dignity, learning, and reason fully within a Christian theological framework. It is not secular humanism; it is the ancestor whose theistic ground secular humanism removed. Conflating the two is a common error in popular apologetics.

Christian Apologetic Engagement

Points of Contact

Christians and secular humanists share more practical ground than polemical discourse suggests. Both traditions affirm human dignity as non-negotiable; both have championed literacy, education, and the relief of suffering; both oppose torture, slavery, and the exploitation of the vulnerable; and both have contributed to the abolitionist, civil rights, and humanitarian-relief traditions. The overlap in social ethics is genuine enough that ris3n's apologetic context often involves engaging secular humanists as near-neighbors rather than alien opponents. The apologetic challenge is not primarily to contest shared practical commitments but to examine whether secular humanism can ground them.

Points of Divergence

The grounding problem. Secular humanism affirms human dignity, universal rights, and objective moral obligations, but these claims require metaphysical support that naturalism struggles to provide. If humans are the product of blind evolutionary processes, the claim that any human has inherent worth, and not merely instrumental value to a group or species, is difficult to derive from naturalist premises alone. Tom Holland's Dominion (2019) presses this historically: the specific moral vocabulary secular humanism deploys, universal dignity, equality before the law, the preferential option for the vulnerable, the moral weight of every individual, entered Western thought through Christianity, not through Greco-Roman philosophy, which was comfortable with slavery, infanticide, and the strict hierarchy of persons. Without a theistic ground, secular humanism is, on this view, living on borrowed moral capital. See Tom Holland and Moral Argument.

Humanist response: Moral realists within the tradition (Sam Harris, Peter Singer) argue that facts about well-being are objective facts about the universe regardless of their evolutionary genealogy; the grounding problem is not unique to naturalism but applies to any non-question-begging moral framework, including divine command theory. The strongest Christian response is not simply "you need God for morality" but rather the more precise claim that only a personal, rational God provides the kind of ontological grounding that makes the bindingness of moral obligation coherent, not merely its pragmatic utility.

The reason problem. Alvin Plantinga's Evolutionary Argument Against Naturalism (EAAN) targets secular humanism's central epistemic confidence: that human reason is reliable enough to ground science, ethics, and worldview. If naturalism is true, cognitive faculties evolved for survival fitness, not for truth-tracking. The probability that evolution would produce reliably truth-aimed minds is, on Plantinga's argument, low or inscrutable, which defeats the naturalist's confidence in the very reason secular humanism elevates. See Argument from Reason.

Humanist response: Most naturalists argue that truth-tracking and survival fitness are not as decoupled as Plantinga assumes: accurate environmental modeling is precisely what confers survival advantage, so evolution would tend to select for reliable cognition at least in perceptual and practical domains. The EAAN's force is greatest against the extension of evolved reason to abstract metaphysics and ethics, where the fitness-truth link is most tenuous.

The meaning problem. Secular humanism holds that life is meaningful without God. The strongest secular treatments of this problem, Camus's The Myth of Sisyphus, Thomas Nagel's The Absurd, and even Pinker's more optimistic framing, acknowledge the tension between any human meaning-claim and the wider context of cosmic indifference, eventual heat death, and personal mortality. Pascal identified the restlessness this generates from the theist side; Camus and Nagel identified it honestly from within the secular framework. Secular humanism's this-worldly meaning is not obviously stable against the full weight of the problem.

Humanist response: Meaning does not require permanence or cosmic underwriting; a relationship, a creative work, or an act of justice is meaningful within the span it occupies. The demand for eternal significance is itself a contingent desire, not a logical requirement for meaning. The Christian apologist should note that this response works as psychological consolation but does not address the metaphysical point: whether meaning requires a mind-independent referent or is fully constituted by subjective human valuation.

The Borrowed-Capital Argument

A cluster of scholarship argues that the moral and political values secular humanism most confidently asserts are historically Christian inheritances, not free-standing rational discoveries:

Tom Holland, Dominion (2019): the specifically Christian valuation of the weak, the slave, the individual conscience, and the vulnerable is what distinguishes Western morality from the morality of classical antiquity; secular humanism inherits it without acknowledging the source.
David Bentley Hart, Atheist Delusions (2009): the Enlightenment's humanitarian impulses are a continuation of Christian moral formation under secularized vocabulary, not a break from it.
Larry Siedentop, Inventing the Individual (2014): the concept of the individual as the bearer of inalienable rights was constructed by medieval Christian moral theology (especially canon law), not recovered from Greece and Rome.
Luc Ferry, A Brief History of Thought (2011): the revolution in values that produced modern humanism was initiated by Christianity's assertion that every person, regardless of rank or origin, matters infinitely.

The argument is not that secular humanists are secretly Christian; it is that the specific normative content they assert has a genealogy their naturalist metaphysics cannot replicate from scratch.

Secular Humanism as the Default Western Opponent

In practice, secular humanism is often the actual worldview Christians encounter in apologetic conversations rather than philosophical atheism in its technical form. Most non-believing Westerners are not working from a careful naturalist metaphysics but from an intuitive moral realism, a confidence in science, a suspicion of institutional religion, and a commitment to human rights that together constitute an implicit secular-humanist stance. They rarely describe themselves as secular humanists; they describe themselves as "not religious" or as believing in "science" or in "treating people well."

This asymmetry shapes the apologetic task. The objections ris3n will most often face in public discourse are not the EAAN or the formal grounding problem but softer challenges: that Christianity has produced harm (Crusades, inquisition, anti-science attitudes, sexual ethics seen as repressive), that ethics does not require religion, that a good person can live well without God, and that organized religion is socially regressive compared with secular alternatives. These are humanist intuitions rather than philosophical arguments, and they require engagement at the level of history, sociology, and moral psychology as much as formal argumentation.

The borrowed-capital argument (Tom Holland, Siedentop, Hart, Ferry) is particularly effective in this context because it does not directly argue for God but dismantles the secular humanist's assumption that the Enlightenment critique of Christianity was a fresh start rather than a mutation of Christian moral formation. Establishing this genealogical point reframes the conversation: secular humanists are often defending a moral vision whose content they inherited from the tradition they reject. The next move is to ask what, stripped of that inheritance, naturalism actually delivers.

The Legal-Establishment Question

The legal record has at times treated secular humanism as a worldview functionally equivalent to religion. Torcaso v. Watkins (1961) contains a footnote by Justice Black listing "Secular Humanism" among non-theistic religions, though the case did not turn on that point. Some subsequent courts and legal scholars have cited this in Establishment Clause disputes. The IRS has granted 501(c)(3) religious-organization status to some secular humanist bodies. The legal question matters for apologetics because it complicates the secularist argument that promoting humanism in public institutions is religiously neutral. See Atheism as Religion - Legal Precedent for detailed case-law treatment.