This collection gathers the essential texts of Western philosophy — Plato and Aristotle, Descartes and Kant, Hume, Mill, and Nietzsche — spanning ancient metaphysics and ethics through the Enlightenment and the great nineteenth-century systems. Each is a free, cleanly formatted EPUB, in the authoritative editions that shaped how philosophy has been read and taught.
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- A Budget of Paradoxes, Volume IAugustus De Morgan
- A Budget of Paradoxes, Volume IIAugustus De Morgan
- A Manual of Moral PhilosophyAndrew P. Peabody
- A Pickle for the Knowing OnesTimothy Dexter
- A Practical View of the Prevailing Religious SystemWilliam Wilberforce
- A System of Logic, Ratiocinative and InductiveJohn Stuart Mill
- A System of Logic, Vol. 1John Stuart Mill
- A TheodicyAlbert Taylor Bledsoe
- A Treatise of Human NatureDavid Hume
- A Vindication of the Rights of WomanMary Wollstonecraft
- Aesthetical EssaysFriedrich Schiller
- Amiel’s JournalHenri-Frédéric Amiel
- An Enquiry Concerning Human UnderstandingDavid Hume
- An Enquiry Concerning the Principles of MoralsDavid Hume
- An Essay Concerning Humane Understanding, Volume 1John Locke
- An Essay on Professional EthicsGeorge Sharswood
- ApologyPlato
- Apology, Crito, and PhaedoPlato
- As a Man ThinkethJames Allen
- Autobiography of J. S. MillJohn Stuart Mill
- Bacon's Essays, and Wisdom of the AncientsFrancis Bacon
- Beyond Good and EvilFriedrich Wilhelm Nietzsche
- Book of Wise SayingsW. A. Clouston
- Cicero’s Tusculan DisputationsMarcus Tullius Cicero
- Confessions of Jean Jacques RousseauJean-Jacques Rousseau
- Considerations on Representative GovernmentJohn Stuart Mill
- Counsels and MaximsArthur Schopenhauer
- Creative EvolutionHenri Bergson
- CritiasPlato
- Democracy and EducationJohn Dewey
- Devotions Upon Emergent OccasionsJohn Donne
- Discourse on the MethodRené Descartes
- Discourse on the Origin of InequalityJean-Jacques Rousseau
- Early Greek Philosophy & Other EssaysFriedrich Nietzsche
- Ecce HomoFriedrich Nietzsche
- EmileJean-Jacques Rousseau
- Erotika Biblioncomte de Honoré-Gabriel de Riqueti Mirabeau
- Esprit des lois (Livres I à V)baron de Charles de Secondat Montesquieu
- Essays by Ralph Waldo EmersonRalph Waldo Emerson
- EthicsBenedictus de Spinoza
- EuthyphroPlato
- Evolution, Old & NewSamuel Butler
- Friedrich NietzscheGeorg Brandes
- Fundamental Principles of the Metaphysic of MoralsImmanuel Kant
- GorgiasPlato
- History of Modern PhilosophyAlfred William Benn
- History of Modern PhilosophyRichard Falckenberg
- Homer’s Odyssey: A CommentaryDenton Jaques Snider
- How to Live on 24 Hours a DayArnold Bennett
- How We ThinkJohn Dewey
- Human Nature and ConductJohn Dewey
- Human, All Too HumanFriedrich Nietzsche
- Humanistic NursingJosephine G. Paterson
- India: What Can It Teach Us?F. Max Müller
- IonPlato
- Jeremiah: Being the Baird Lecture for 1922George Adam Smith
- LaughterHenri Bergson
- LawsPlato
- Leibniz’s New EssaysJohn Dewey
- LeviathanThomas Hobbes
- Little Journeys to the Homes of the Great PhilosophersElbert Hubbard
- Logic, Inductive and DeductiveWilliam Minto
- Manhood of HumanityAlfred Korzybski
- Maxims and ReflectionsJohann Wolfgang von Goethe
- MeditationsMarcus Aurelius
- MenexenusPlato
- MenoPlato
- Mind and Motion and MonismGeorge John Romanes
- Minor DialoguesSeneca
- Miscellaneous Aphorisms; The Soul of ManOscar Wilde
- Mysticism and Logic and Other EssaysBertrand Russell
- Natural Law in the Spiritual WorldHenry Drummond
- NatureRalph Waldo Emerson
- Nietzsche and Other Exponents of IndividualismPaul Carus
- On Human NatureArthur Schopenhauer
- On LibertyJohn Stuart Mill
- On LoveStendhal
- On the Fourfold Root of the Principle of Sufficient ReasonArthur Schopenhauer
- On the Improvement of the UnderstandingBaruch Spinoza
- On the Nature of ThingsTitus Lucretius Carus
- On the SublimeLonginus
- On WarCarl von Clausewitz
- Our Knowledge of the External WorldBertrand Russell
- Pascal's PenséesBlaise Pascal
- Past and PresentThomas Carlyle
- PhaedoPlato
- PhaedrusPlato
- Plutarch's MoralsPlutarch
- PragmatismWilliam James
- Principia EthicaG. E. Moore
- Progress and History
- Prolegomena to Any Future MetaphysicsImmanuel Kant
- ProtagorasPlato
- Psychology of the UnconsciousC. G. Jung
- Rasselas, Prince of AbyssiniaSamuel Johnson
- Reflections; or Sentences and Moral MaximsFrançois de La Rochefoucauld
- Representative MenRalph Waldo Emerson
- Revelations of Divine Loveof Norwich Julian
- Sartor ResartusThomas Carlyle
- Second Treatise of GovernmentJohn Locke
- Selected Works of Voltairine de CleyreVoltairine De Cleyre
- Self-HelpSamuel Smiles
- Seneca’s MoralsSeneca
- Sexueele Zeden in Woord enD. Ph. van Vloten Elderinck
- SibyllaC. A. Mace
- SiddharthaHermann Hesse
- SophistPlato
- Studies in PessimismArthur Schopenhauer
- SymposiumPlato
- The Analysis of MindBertrand Russell
- The Anatomy of MelancholyRobert Burton
- The Apologia and Florida of ApuleiusApuleius
- The Approach to PhilosophyRalph Barton Perry
- The Art of ControversyArthur Schopenhauer
- The Art of LiteratureArthur Schopenhauer
- The Basis of MoralityArthur Schopenhauer
- The Birth of TragedyFriedrich Wilhelm Nietzsche
- The Case of WagnerFriedrich Nietzsche
- The City of God, Volume IAugustine of Hippo
- The Communist ManifestoKarl Marx
- The Conduct of LifeRalph Waldo Emerson
- The Confessions of St. AugustineAugustine of Hippo
- The Conquest of BreadPeter Kropotkin
- The Consolation of PhilosophyBoethius
- The Critique of Pure ReasonImmanuel Kant
- The Crown of Wild OliveJohn Ruskin
- The Cult of IncompetenceÉmile Faguet
- The Dawn of DayFriedrich Nietzsche
- The EnchiridionEpictetus
- The English Utilitarians, Volume 1 (of 3)Leslie Stephen
- The English Utilitarians, Volume 2: James MillLeslie Stephen
- The Genealogy of MoralsFriedrich Wilhelm Nietzsche
- The Joyful WisdomFriedrich Nietzsche
- The Kama Sutra of VatsyayanaVatsyayana
- The Legacy of Greece
- The Life of Friedrich NietzscheDaniel Halévy
- The Life of ReasonGeorge Santayana
- The Life RadiantLilian Whiting
- The Lives and Opinions of Eminent PhilosophersDiogenes Laertius
- The Logic of HegelG. W. F. Hegel
- The Man Who Was Thursday: A NightmareG. K. Chesterton
- The Marriage of Heaven and HellWilliam Blake
- The MemorabiliaXenophon
- The Mind and the BrainAlfred Binet
- The Nicomachean Ethics of AristotleAristotle
- The Philosophy of Friedrich NietzscheH. L. Mencken
- The Poetics of AristotleAristotle
- The PrinceNiccolò Machiavelli
- The Principles of PsychologyWilliam James
- The Problem of ChinaBertrand Russell
- The Problems of PhilosophyBertrand Russell
- The ProphetKahlil Gibran
- The RepublicPlato
- The Sceptical ChymistRobert Boyle
- The Simple LifeCharles Wagner
- The Social Contract & DiscoursesJean-Jacques Rousseau
- The Subjection of WomenJohn Stuart Mill
- The Temple of NatureErasmus Darwin
- The Theories of DarwinRudolf Schmid
- The Theory of Moral SentimentsAdam Smith
- The Twilight of the IdolsFriedrich Wilhelm Nietzsche
- The Varieties of Religious ExperienceWilliam James
- The Will to BelieveWilliam James
- The Will to Power, Volume IFriedrich Nietzsche
- The Will to Power, Volume IIFriedrich Nietzsche
- The Wisdom of LifeArthur Schopenhauer
- The World’s Greatest Books
- TheaetetusPlato
- Thus Spake ZarathustraFriedrich Wilhelm Nietzsche
- TimaeusPlato
- Tragic Sense of LifeMiguel de Unamuno
- Treatises on Friendship and Old AgeCicero
- UtilitarianismJohn Stuart Mill
- UtopiaSaint Thomas More
- Walden, and On the Duty of Civil DisobedienceHenry David Thoreau
- What Is Man? and Other EssaysMark Twain
- What Nietzsche TaughtWillard Huntington Wright
- What’s Wrong with the WorldG. K. Chesterton
- World as Will and IdeaArthur Schopenhauer
- Zoölogische PhilosophieJean Baptiste Pierre Antoine de Monet de Lamarck