A place to
think clearly.

Ethical cultivation through humane relationships, learning, ritual, responsibility, and exemplary leadership.

Major works

The Analects

The Dao, simplicity, humility, and wu wei: effective action that does not force or overcontrol. Laozi's historicity and the text's single authorship are disputed.

Major works

Tao Te Ching (Daodejing), traditionally attributed to Laozi

Suffering, craving, impermanence, ethical conduct, mental training, and a path toward liberation.

Major works

Teachings preserved in the Buddhist canon; begin with the Dhammapada

Perspective, language, spontaneity, freedom from rigid distinctions, and living amid continual transformation.

Major works

Zhuangzi (also published as Chuang Tzu)

Virtue, self-knowledge, and whether a belief can survive disciplined questioning.

Major works

Socrates left no writings; begin with Plato's Apology, Crito, and Phaedo

Justice, knowledge, the soul, Forms, education, love, and political order.

Major works

Republic, Symposium, Phaedo

Logic, causes, being, virtue, habituation, politics, and the conditions of human flourishing.

Major works

Nicomachean Ethics, Politics, Metaphysics

Tranquility through friendship, disciplined desire, natural explanation, and freedom from fear of death.

Major works

Letter to Menoeceus, Principal Doctrines, Letter to Herodotus

Moral freedom through governing judgment and distinguishing choice from circumstance.

Major works

Discourses, Enchiridion

Time, anger, fear, grief, friendship, wealth, and the daily practice of consistent character.

Major works

Moral Letters to Lucilius, On the Shortness of Life, On Anger

Private self-correction, duty, mortality, cooperation, and meeting events without surrendering character.

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Meditations

Memory, time, evil, divided will, grace, and the inward search for truth.

Major works

Confessions, City of God, On Free Choice of the Will

Essence and existence, the nature of mind, metaphysics as a science, and the Necessary Existent.

Major works

The Book of Healing, The Book of Salvation, Pointers and Reminders

The limits of philosophical certainty, causation, spiritual knowledge, and the relation between reason and revelation.

Major works

Deliverance from Error, The Incoherence of the Philosophers, Revival of the Religious Sciences

Aristotelian demonstration, intellect, law, medicine, and the place of philosophical reasoning within religious inquiry.

Major works

The Decisive Treatise, The Incoherence of the Incoherence, Long Commentary on Aristotle's De Anima

Reason and revelation, law, ethics, negative theology, and the limits of language about God.

Major works

Guide for the Perplexed, Mishneh Torah, Eight Chapters

Being, causation, virtue, natural law, and a systematic relation between Aristotelian reason and Christian theology.

Major works

Summa Theologiae, Summa Contra Gentiles, On Being and Essence

Power, institutions, political survival, civic conflict, and the difference between moral ideals and political reality.

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The Prince, Discourses on Livy

Methodic doubt, certainty, the thinking self, mind and body, and the foundations of knowledge.

Major works

Meditations on First Philosophy, Discourse on Method, Principles of Philosophy

Materialism, human conflict, fear, sovereignty, and the social contract as an answer to political disorder.

Major works

Leviathan, De Cive, The Elements of Law

God or Nature, necessity, emotion, freedom through understanding, and democratic tolerance.

Major works

Ethics, Theological-Political Treatise

Knowledge from experience, personal identity, natural rights, consent, limited government, and toleration.

Major works

Essay Concerning Human Understanding, Second Treatise of Government, Letter Concerning Toleration

Sufficient reason, possible worlds, monads, pre-established harmony, and why an ordered world can contain evil.

Major works

Monadology, Discourse on Metaphysics, Theodicy

Empiricism, skepticism, causation, induction, the self, moral sentiment, and natural religion.

Major works

Enquiry Concerning Human Understanding, Treatise of Human Nature, Dialogues Concerning Natural Religion

Freedom, inequality, education, authenticity, and what could make collective authority legitimate.

Major works

The Social Contract, Discourse on Inequality, Émile

How the mind structures experience, the limits of reason, moral autonomy, duty, freedom, and human dignity.

Major works

Critique of Pure Reason, Groundwork of the Metaphysics of Morals, Critique of Practical Reason

Equal rational agency, education, independence, and a critique of women's socially manufactured dependence.

Major works

A Vindication of the Rights of Woman, A Vindication of the Rights of Men

Consciousness, recognition, freedom, institutions, history, and reason developing through conflict and revision.

Major works

Phenomenology of Spirit, Science of Logic, Encyclopaedia Logic, Philosophy of Right

Blind striving as a source of suffering, with art, compassion, and denial of craving offering forms of release.

Major works

The World as Will and Representation, Parerga and Paralipomena, On the Fourfold Root

Individual choice, anxiety, despair, inwardness, commitment, and the paradox of faith.

Major works

Either/Or, Fear and Trembling, The Sickness Unto Death

Material production, alienation, class, ideology, labor, and the dynamics of capital.

Major works

Capital, The German Ideology, Communist Manifesto

Individual liberty, the harm principle, representative government, equality, and qualitative utilitarianism.

Major works

On Liberty, Utilitarianism, The Subjection of Women

The genealogy of values, perspectivism, nihilism, self-overcoming, culture, and the creation of meaning.

Major works

Beyond Good and Evil, On the Genealogy of Morality, Thus Spoke Zarathustra

Pragmatism, attention, choice, religious experience, and judging ideas through their consequences in lived experience.

Major works

Pragmatism, The Varieties of Religious Experience, The Will to Believe

Modern logic, the distinction between sense and reference, and attempts to explain arithmetic through logic.

Major works

Begriffsschrift, The Foundations of Arithmetic, On Sense and Reference

Phenomenology, intentionality, first-person experience, and the lifeworld that inquiry too easily takes for granted.

Major works

Logical Investigations, Ideas I, The Crisis of European Sciences

Double consciousness, the color line, history, democracy, education, and the lived structure of racial domination.

Major works

The Souls of Black Folk, Black Reconstruction in America, The World and Africa

Logic, analysis, knowledge by acquaintance and description, skepticism, science, and public reason.

Major works

The Problems of Philosophy, Principia Mathematica, On Denoting

Logic, the limits of expression, and the later view that meaning arises through use and forms of life.

Major works

Tractatus Logico-Philosophicus, Philosophical Investigations, On Certainty

Being, time, situated existence, authenticity, mortality, and the way technology can shape what appears real.

Major works

Being and Time, The Question Concerning Technology, What Is Metaphysics?

Situated freedom, ambiguity, embodiment, oppression, reciprocity, and the construction of woman as the Other.

Major works

The Second Sex, The Ethics of Ambiguity, Pyrrhus and Cineas

Consciousness, radical freedom, bad faith, conflict, commitment, and unavoidable responsibility.

Major works

Being and Nothingness, Existentialism Is a Humanism, No Exit

The absurd, lucidity, revolt, solidarity, and whether life can be affirmed without a final cosmic answer.

Major works

The Myth of Sisyphus, The Stranger, The Rebel

Political action, plurality, totalitarianism, judgment, the public world, and evil enabled by thoughtlessness.

Major works

The Origins of Totalitarianism, The Human Condition, Eichmann in Jerusalem

Justice as fairness, equal basic liberties, fair opportunity, and principles chosen without knowing one's social position.

Major works

A Theory of Justice, Political Liberalism, The Law of Peoples

Power and knowledge, discipline, institutions, normalization, sexuality, and the historical production of subjects.

Major works

Discipline and Punish, The History of Sexuality, The Order of Things