John Shaqi

Research Library

Philosophy Library

The thinkers who shaped how humanity reasons about God, knowledge, and the good life — across the Islamic, Greek, and Western traditions, with their works free to read.

Quote Attribution

Identify the philosopher behind a quote using AI.

Islamic

Islamic Philosophers

Greek

Greek Philosophers

Western

Western Philosophers

Nietzsche
Western1844–1900

Nietzsche

Prussia

German philosopher of will, value, and the death of God, author of Thus Spoke Zarathustra.

40 worksRead →
Kant
Western1724–1804

Kant

Prussia

Architect of critical philosophy, who fused rationalism and empiricism in the Critique of Pure Reason.

19 worksRead →
Descartes
Western1596–1650

Descartes

France

Father of modern philosophy, whose method of doubt yielded "I think, therefore I am."

6 worksRead →
Schopenhauer
Western1788–1860

Schopenhauer

Germany

Philosopher of the Will, whose pessimism and aesthetics deeply influenced later thought.

18 worksRead →
Dante Alighieri
Western1265–1321

Dante Alighieri

Florence

Italian poet and philosopher, author of the Divine Comedy.

16 worksRead →
Niccolo Machiavelli
Western1469–1527

Niccolo Machiavelli

Florence

Florentine statesman whose The Prince founded modern political realism.

6 worksRead →
Thomas Hobbes
Western1588–1679

Thomas Hobbes

England

English philosopher of the social contract, author of Leviathan.

11 worksRead →
Baruch Spinoza
Western1632–1677

Baruch Spinoza

Amsterdam

Dutch rationalist who identified God with Nature and grounded ethics in geometric reasoning.

13 worksRead →
John Locke
Western1632–1704

John Locke

England

English founder of empiricism and liberalism, theorist of natural rights and government by consent.

61 worksRead →
Voltaire
Western1694–1778

Voltaire

Paris

French Enlightenment writer and champion of reason, tolerance, and civil liberty.

29 worksRead →
David Hume
Western1711–1776

David Hume

Edinburgh

Scottish empiricist and skeptic who reshaped theories of causation, mind, and morality.

116 worksRead →
Jean-Jacques Rousseau
Western1712–1778

Jean-Jacques Rousseau

Geneva

Genevan philosopher of the general will whose ideas fueled the age of revolutions.

25 worksRead →
Georg Hegel
Western1770–1831

Georg Hegel

Stuttgart

German idealist whose dialectic of history shaped modern philosophy.

11 worksRead →
John Stuart Mill
Western1806–1873

John Stuart Mill

London

English utilitarian and champion of individual liberty and representative government.

541 worksRead →

Philosophy Books

Foundational works of philosophy — readable in full, right here in the Library.

A Discourse of a Method for the Well Guiding of Reason: and the Discovery of Truth in the SciencesDescartes, René

A Discourse of a Method for the Well Guiding of Reason: and the Discovery of Truth in the Sciences

Descartes, René

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A System of Logic, Ratiocinative and InductiveMill, John Stuart
A System of Logic, Ratiocinative and Inductive

A System of Logic, Ratiocinative and Inductive

Mill, John Stuart

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A Theological-Political Treatise [Part III]Spinoza, Benedictus de

A Theological-Political Treatise [Part III]

Spinoza, Benedictus de

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A Theological-Political Treatise [Part IV]Spinoza, Benedictus de

A Theological-Political Treatise [Part IV]

Spinoza, Benedictus de

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A Treatise of Human Nature: Being an Attempt to Introduce the Experimental Method Into Moral Subjects; and Dialogues Concerning Natural ReligionHume, David
A Treatise of Human Nature: Being an Attempt to Introduce the Experimental Method Into Moral Subjects; and Dialogues Concerning Natural Religion

A Treatise of Human Nature: Being an Attempt to Introduce the Experimental Method Into Moral Subjects; and Dialogues Concerning Natural Religion

Hume, David

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Alice in Wonderland: A Dramatization of Lewis Carroll's "Alice's Adventures in Wonderland" and "Through the Looking Glass"Carroll, Lewis
Alice in Wonderland: A Dramatization of Lewis Carroll's "Alice's Adventures in Wonderland" and "Through the Looking Glass"

Alice in Wonderland: A Dramatization of Lewis Carroll's "Alice's Adventures in Wonderland" and "Through the Looking Glass"

Carroll, Lewis

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Alice's Adventures in WonderlandCarroll, Lewis
Alice's Adventures in Wonderland

Alice's Adventures in Wonderland

Carroll, Lewis

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An Enquiry Concerning Human UnderstandingHume, David
An Enquiry Concerning Human Understanding

An Enquiry Concerning Human Understanding

Hume, David

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An Enquiry Concerning the Principles of MoralsHume, David
An Enquiry Concerning the Principles of Morals

An Enquiry Concerning the Principles of Morals

Hume, David

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Analysis of the Phenomena of the Human MindMill, James
Analysis of the Phenomena of the Human Mind

Analysis of the Phenomena of the Human Mind

Mill, James

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AnthemRand, Ayn
Anthem

Anthem

Rand, Ayn

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ApologyPlato
Apology

Apology

Plato

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Apology, Crito, and Phaedo of SocratesPlato

Apology, Crito, and Phaedo of Socrates

Plato

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Aristotle on the art of poetryAristotle
Aristotle on the art of poetry

Aristotle on the art of poetry

Aristotle

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Aristotle's History of Animals: In Ten BooksAristotle
Aristotle's History of Animals: In Ten Books

Aristotle's History of Animals: In Ten Books

Aristotle

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Aristotle's works:: Containing the Master-piece, Directions for Midwives, and Counsel and Advice to Child-bearing Women with Various Useful RemediesAristotle, pseud.

Aristotle's works:: Containing the Master-piece, Directions for Midwives, and Counsel and Advice to Child-bearing Women with Various Useful Remedies

Aristotle, pseud.

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Auguste Comte and PositivismMill, John Stuart
Auguste Comte and Positivism

Auguste Comte and Positivism

Mill, John Stuart

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AutobiographyMill, John Stuart
Autobiography

Autobiography

Mill, John Stuart

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Beyond Good and EvilNietzsche, Friedrich Wilhelm
Beyond Good and Evil

Beyond Good and Evil

Nietzsche, Friedrich Wilhelm

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CandideVoltaire
Candide

Candide

Voltaire

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CharmidesPlato
Charmides

Charmides

Plato

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Considerations on Representative GovernmentMill, John Stuart
Considerations on Representative Government

Considerations on Representative Government

Mill, John Stuart

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CratylusPlato
Cratylus

Cratylus

Plato

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CritiasPlato
Critias

Critias

Plato

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CritoPlato
Crito

Crito

Plato

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Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the SciencesDescartes, René
Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences

Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences

Descartes, René

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Early Greek Philosophy & Other Essays: Collected Works, Volume TwoNietzsche, Friedrich Wilhelm

Early Greek Philosophy & Other Essays: Collected Works, Volume Two

Nietzsche, Friedrich Wilhelm

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Ecce Homo: Complete Works, Volume SeventeenNietzsche, Friedrich Wilhelm
Ecce Homo: Complete Works, Volume Seventeen

Ecce Homo: Complete Works, Volume Seventeen

Nietzsche, Friedrich Wilhelm

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Eighteenth Century Essays on ShakespeareSmith, David Nichol
Eighteenth Century Essays on Shakespeare

Eighteenth Century Essays on Shakespeare

Smith, David Nichol

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EssaysHume, David
Essays

Essays

Hume, David

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Essays on some unsettled Questions of Political EconomyMill, John Stuart
Essays on some unsettled Questions of Political Economy

Essays on some unsettled Questions of Political Economy

Mill, John Stuart

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EthicsSpinoza, Benedictus de
Ethics

Ethics

Spinoza, Benedictus de

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Ethics — Part 1Spinoza, Benedictus de
Ethics — Part 1

Ethics — Part 1

Spinoza, Benedictus de

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Ethics — Part 2Spinoza, Benedictus de

Ethics — Part 2

Spinoza, Benedictus de

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Ethics — Part 3Spinoza, Benedictus de

Ethics — Part 3

Spinoza, Benedictus de

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Ethics — Part 4Spinoza, Benedictus de

Ethics — Part 4

Spinoza, Benedictus de

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