Free Philosophy Books
221 public-domain Philosophy titles, free to read online in the BingeReaders reader. Browse all genres or the whole library.
- "The Kingdom of God Is Within You": Christianity Not as a Mystic Religion but as a New Theory of Life
- A Budget of Paradoxes, Volume I
- A Budget of Paradoxes, Volume II
- A Christian Directory, Part 1: Christian Ethics
- A Commentary to Kant's 'Critique of Pure Reason'
- A Contribution to the Critique of Political Economy
- A System of Logic, Ratiocinative and Inductive
- A Treatise Concerning the Principles of Human Knowledge
- A Treatise of Human Nature
- Alcibiades I
- An Essay Concerning Humane Understanding, Volume 1: MDCXC, Based on the 2nd Edition, Books 1 and 2
- An Essay Concerning Humane Understanding, Volume 2: MDCXC, Based on the 2nd Edition, Books 3 and 4
- An Essay on the Principle of Population
- An Essay Towards a Philosophy of Education: A Liberal Education for All
- Apology
- Apology, Crito, and Phaedo of Socrates
- Areopagitica: A Speech for the Liberty of Unlicensed Printing to the Parliament of England
- As a man thinketh
- Bacon's Essays, and Wisdom of the Ancients
- Beyond Good and Evil
- Beyond the pleasure principle
- Book of Wise Sayings: Selected Largely from Eastern Sources
- Chuang Tzu: Mystic, Moralist, and Social Reformer
- Cicero's Tusculan Disputations: Also, Treatises On The Nature Of The Gods, And On The Commonwealth
- Concerning the Spiritual in Art
- Considerations on Representative Government
- Cratylus
- Creative Evolution
- Critias
- Crito
- De Officiis
- Democracy and Education: An Introduction to the Philosophy of Education
- Demonology and Devil-lore
- Devotions Upon Emergent Occasions; Together with Death's Duel
- Dialogues Concerning Natural Religion
- Emile
- Essays by Ralph Waldo Emerson
- Essays of Schopenhauer
- Essays — First Series
- Ethics
- Etiquette
- Eureka: A Prose Poem
- Euthyphro
- Fathers and Sons
- Fundamental Principles of the Metaphysic of Morals
- Goethe's Theory of Colours
- Gorgias
- Hegel's Philosophy of Mind
- Heretics
- Hidden Symbolism of Alchemy and the Occult Arts
- How to Live on 24 Hours a Day
- How We Think
- Human Nature and Conduct: An introduction to social psychology
- Human, All Too Human: A Book for Free Spirits
- Human, All-Too-Human: A Book for Free Spirits, Part 1: Complete Works, Volume Six
- Human, All-Too-Human: A Book for Free Spirits, Part 2
- Humanism and America: Essays on the outlook of modern civilisation
- Index of the Project Gutenberg Works of Immanuel Kant
- Isis unveiled, Volume 1 (of 2), Science : $b A master-key to mysteries of ancient and modern science and theology
- Isis unveiled, Volume 2 (of 2), Theology : $b A master-key to the mysteries of ancient and modern science and theology
- Journal 01, 1837-1846: The Writings of Henry David Thoreau, Volume 07 (of 20)
- Journal 02, 1850-September 15, 1851: The Writings of Henry David Thoreau, Volume 08 (of 20)
- Kant's Critique of Judgement
- Kant's Prolegomena to Any Future Metaphysics
- Keely and His Discoveries: Aerial Navigation
- L. Annaeus Seneca on Benefits
- Laughter: An Essay on the Meaning of the Comic
- Laws
- Lectures on the true, the beautiful and the good
- Little Journeys to the Homes of the Great Philosophers, Volume 8
- Meno
- Minor Dialogues, Together With the Dialogue on Clemency
- Moral theology : $b a complete course based on St. Thomas Aquinas and the best modern authorities
- Mysticism and Logic and Other Essays
- Natural Law in the Spiritual World
- Nature
- Novum organum : $b or, True suggestions for the interpretation of nature
- On Liberty
- On Love
- On the Duty of Civil Disobedience
- On the Fourfold Root of the Principle of Sufficient Reason, and On the Will in Nature: Two Essays (revised edition)
- On the Sublime
- Ontology, or the Theory of Being
- Orthodoxy
- Our Knowledge of the External World as a Field for Scientific Method in Philosophy
- Parmenides
- Pascal's Pensées
- Past and Present: Thomas Carlyle's Collected Works, Vol. XIII.
- Phaedo
- Phaedrus
- Plato and the Other Companions of Sokrates, 3rd ed. Volume 4
- Plotinos: Complete Works, v. 1: In Chronological Order, Grouped in Four Periods
- Plutarch's Morals
- Pragmatism: A New Name for Some Old Ways of Thinking
- Principia Ethica
- Protagoras
- Psychology of the Unconscious: A Study of the Transformations and Symbolisms of the Libido. A Contribution to the History of the Evolution of Thought
- Ptolemy's Tetrabiblos : $b or Quadripartite, being four books of the influence of the stars ... with a preface, explanatory notes, and an appendix containing extracts from the Almagest of Ptolemy and the whole of his Centiloquy, together with a short notice of Mr. Ranger's zodiacal planisphere and an explanatory plate
- Reflections; or Sentences and Moral Maxims
- Reincarnation and the Law of Karma: A Study of the Old-New World-Doctrine of Rebirth, and Spiritual Cause and Effect
- Representative Men: Seven Lectures
- Revelations of Divine Love
- Selected Works of Voltairine de Cleyre
- Selections from the Prose Writings of John Henry Cardinal Newman: For the Use of Schools
- Selections from the Writings of Kierkegaard
- Self Help; with Illustrations of Conduct and Perseverance
- Seneca's Morals of a Happy Life, Benefits, Anger and Clemency
- Sesame and Lilies
- Sex & Character: Authorised Translation from the Sixth German Edition
- Sibylla : $b or, The revival of prophecy
- Six metaphysical meditations: $b Wherein it is proved that there is a God and that mans mind is really distinct from his body
- Society and solitude: Twelve chapters
- Sophist
- Statesman
- Summa Theologica, Part I (Prima Pars): From the Complete American Edition
- Summa Theologica, Part I-II (Pars Prima Secundae): From the Complete American Edition
- Summa Theologica, Part II-II (Secunda Secundae): Translated by Fathers of the English Dominican Province
- Summa Theologica, Part III (Tertia Pars): From the Complete American Edition
- Symposium
- The Analects of Confucius (from the Chinese Classics)