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Reference Library

Skepticism, Atheism & Humanism

Category Guide

Skepticism, Atheism & Humanism

This section is for foundational concepts and critical-thinking tools. It is useful when a conversation needs clear definitions, a skeptic toolkit, or a concise explainer you can send to someone without assigning a whole book.

8 resources

Critical Thinking Tool

Carl Sagan’s Baloney Detection Kit

One of the best public-facing introductions to skeptical thinking, red flags, and basic reasoning habits for evaluating claims.

Skepticism Skepticism Secularism

Skeptic Toolkit

CFI Skeptics Toolbox Resources

A practical collection of skeptical and critical-thinking resources that works well as a launchpad for teaching, conversations, or episode prep.

Skepticism Skepticism Secularism

Pseudoscience Explainer

Explaining Homeopathy

A concise resource for showing how skeptical analysis applies to health claims and why popularity is not evidence.

Medicine Pseudoscience Skepticism Skepticism Secularism

Definition

What Is Atheism?

Useful when a discussion keeps collapsing atheism into caricature. This gives a concise, readable baseline definition for public audiences.

Atheism Community Skepticism Secularism

Definition

What Is Secular Humanism?

A clean introduction to secular humanism that helps separate it from the usual moral panic and bad-faith framing.

Humanism Secularism Skepticism Secularism

Definition

What Is Skepticism?

Helpful for clarifying that skepticism is a method of evaluating claims, not reflexive contrarianism.

Skepticism Skepticism Secularism

Definition

What Is Secularism?

Useful for grounding conversations about church-state separation and public neutrality without slipping into culture-war shorthand.

Early Christianity Law & Rights Secularism Skepticism Secularism

Definition

Definition of Humanism

A direct reference from the American Humanist Association that works well when discussing ethics, values, and nonreligious meaning-making.

Humanism Religion Secular Morality Skepticism Secularism

Related Reading

Keep digging with these atheist classics

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Why I Am Not a Christian

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The Portable Atheist

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The Good Book: A Humanist Bible

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The Secular Bible

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36 Arguments for the Existence of God

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The Evolution of Atheism

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Why I Am Not a Christian

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God Is Not Great

Christopher Hitchens

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Letter to a Christian Nation

Sam Harris

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The Portable Atheist

Christopher Hitchens

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The Good Book: A Humanist Bible

A. C. Grayling

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Sense and Goodness Without God

Richard Carrier

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The Secular Bible

Jacques Berlinerblau

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36 Arguments for the Existence of God

Rebecca Goldstein

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The Evolution of Atheism

Stephen LeDrew

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