The 100 best philosophy books

No. 11 on this list. Meditations on First Philosophy · René Descartes · 1641

The Meditations is set in nearly every introductory philosophy course and every survey of early modern thought, often as the first primary text students read. Its movement from radical doubt to the proof of an external world is among the most taught arguments in Western philosophy.

No. 12 on this list. Orientalism · Edward W. Said · 1978

Orientalism is required reading in postcolonial studies, comparative literature, cultural studies, history, and Middle Eastern studies curricula worldwide. It appears on thousands of university syllabi across disciplines and is considered foundational to the field of postcolonial criticism. No academic in the humanities can avoid engagement with Said's argument, making it one of the most canonical critical texts of the late 20th century.

No. 13 on this list. The Prince · Niccolò Machiavelli · 1532

The Prince is required reading in political science, philosophy, history, and humanities curricula worldwide and is among the most widely assigned non-fiction texts in higher education. It appears on every syllabus for political philosophy and political theory, from introductory undergraduate courses to graduate seminars. Few texts of any era command this breadth of curricular presence.

No. 14 on this list. Leviathan · Thomas Hobbes · 1651

Included in: Great Books of the Western World

Leviathan is a core text of political philosophy, taught in nearly every course on the history of political thought and included in Britannica's Great Books of the Western World. Its picture of life without government as 'solitary, poor, nasty, brutish, and short' is among the most quoted lines in English prose.

No. 15 on this list. Nicomachean Ethics · Aristotle · c. 340 BCE

The Nicomachean Ethics is a standard text in introductory and advanced courses on ethics and ancient philosophy around the world. It is among the most read works of Greek philosophy.

No. 16 on this list. Of Grammatology · Jacques Derrida · 1967

Of Grammatology is one of the most assigned texts in philosophy, literary theory, and the humanities broadly. It appears on virtually every graduate-level syllabus in continental philosophy, critical theory, and comparative literature. It is the foundational text of deconstruction, a movement that reshaped humanities scholarship from the 1970s through the present. Any 'canon' of 20th-century philosophical works includes it without question.

No. 17 on this list. The History of Sexuality, Volume 1: An Introduction · Michel Foucault · 1976

Required reading in virtually every university gender studies, cultural theory, sociology, and philosophy program in the Western world. No database syllabus data was retrieved, but this text is among the most universally assigned in humanities education globally, appearing on curricula alongside Derrida and Althusser as a foundational poststructuralist text. It is considered indispensable entry-level reading for anyone studying sexuality, power, or discourse.

No. 18 on this list. On the Nature of Things · Lucretius · c. 55 BCE

Included in: Great Books of the Western World

De Rerum Natura is one of the most significant surviving texts from antiquity, taught in classics, philosophy, and history of science programs at universities worldwide. It represents the fullest extant exposition of Epicurean atomism in any language and appears on virtually every list of essential classical works. Its rediscovery by Poggio Bracciolini in 1417 is credited with catalyzing Renaissance intellectual culture.

No. 19 on this list. Phaedrus · Plato · c. 370 BCE

Plato's Phaedrus is a foundational text in Western philosophy, taught in virtually every philosophy curriculum worldwide from undergraduate ethics to graduate seminars on rhetoric and metaphysics. The dialogue has maintained continuous scholarly presence for 2,400 years, appearing on Open Syllabus lists for philosophy, rhetoric, and classical studies courses across hundreds of institutions. Its Wikipedia article spans over 50 languages for the work as a whole.

No. 20 on this list. The Wealth of Nations · Adam Smith · 1776

An Inquiry into the Nature and Causes of the Wealth of Nations (1776) is the founding text of modern economics and a fixture of courses in economics, political philosophy and the history of ideas. It has never been out of print.

No. 21 on this list. The Social Contract · Jean-Jacques Rousseau · 1762

The Social Contract (1762) is one of the most taught works of political philosophy, read in courses on democracy, the Enlightenment and the French Revolution. Its opening, 'Man is born free, and everywhere he is in chains', is among the most quoted lines in political writing.

No. 22 on this list. Madness and Civilization: A History of Insanity in the Age of Reason · Michel Foucault · 1961

Madness and Civilization is one of the most widely assigned texts in the humanities, appearing on syllabi in philosophy, history, sociology, psychology, and cultural studies departments worldwide. It is a foundational text of post-structuralism and critical theory, and its presence in university curricula has been continuous since the 1960s. It is routinely listed among the most important nonfiction works of the twentieth century.

No. 23 on this list. Dream of the Red Chamber · Cao Xueqin · 1791

Included in: UNESCO Collection of Representative Works

Cao Xueqin chronicled the decline of an aristocratic Chinese clan through the consciousness of over four hundred distinct characters, weaving Buddhist philosophy, classical poetry, and granular domestic life into a novel of a scope that European fiction would not attempt for another century. It remains the central work of Chinese narrative art.

No. 24 on this list. Beyond Good and Evil · Friedrich Nietzsche · 1886

Beyond Good and Evil is standard reading in philosophy curricula worldwide and appears on virtually every serious 'books everyone should read' list. While not primarily a literature syllabus fixture, its presence in university courses across disciplines — philosophy, political theory, literary theory, cultural studies — is near-universal. No comparable work of 19th-century philosophy commands broader global readership.

No. 25 on this list. The Gay Science · Friedrich Nietzsche · 1882

The Gay Science introduces 'God is dead' (§125), eternal recurrence (§341), and amor fati — three concepts that reshaped Western intellectual history and appear on virtually every continental philosophy syllabus worldwide. Though the database lacks syllabus count data for this work, the book's Wikipedia article exists in over 50 languages and it is assigned in philosophy, literary theory, theology, and cultural studies courses globally. Its canonical standing in philosophy exceeds most works, comparable to Descartes' Meditations or Kant's Groundwork.

No. 26 on this list. Two Treatises of Government · John Locke · 1689

Two Treatises of Government is a standard text in political philosophy and the history of political thought, assigned alongside Hobbes's Leviathan and Rousseau's Social Contract on courses worldwide. The Second Treatise in particular is treated as essential reading on consent, property and the right of revolution.

No. 27 on this list. The Principal Upanishads · Anonymous (Vedic Tradition)

The foundation of Vedanta and of all later Indian philosophy, required reading in religious studies and philosophy programmes worldwide.

No. 28 on this list. On the Genealogy of Morality · Friedrich Nietzsche · 1887

Friedrich Nietzsche opens by promising a history of morality and delivers something more unsettling: a prosecution. In three linked essays, he traces where our moral concepts actually came from — not from reason or God, but from power, debt, and pain. The first essay tracks how the word 'good' belonged originally to the aristocrat who named himself that way, then watches the slave revolt in morality invert the table of values entirely, creating 'evil' as a name for the strong. The second follows the concept of guilt back to the creditor-debtor relationship, where punishment began not as justice but as the pleasure of cruelty legitimized by contract. The third anatomizes the ascetic priest — the figure who turns suffering into meaning, who wins power over the powerful by teaching them to hate themselves. Nietzsche writes in long hypotactic periods that build to sudden one-line reversals, embedding Latin phrases and German coinages into arguments that span etymology, biology, and cultural history simultaneously. The tone is the provocation: he performs the very diagnosis he conducts, and readers who take his endorsements of aristocratic violence at face value have missed the argument. This is the book that taught Foucault to ask how systems of knowledge produce what they claim merely to describe. It demands and rewards slow, combative reading.

No. 29 on this list. Writing and Difference · Jacques Derrida · 1967

Writing and Difference is one of the foundational texts of deconstruction and a standard assignment in graduate programs in philosophy, comparative literature, and critical theory worldwide. Along with Of Grammatology (published the same year, 1967), it established Derrida as a major philosophical voice. It appears on virtually every syllabus for continental philosophy and literary theory at the graduate level.

No. 30 on this list. City of God · Augustine of Hippo · 426

Included in: Great Books of the Western World

City of God is foundational to Western civilization, taught in every university theology, philosophy, and medieval studies program globally. It appears on syllabi across disciplines—history, political theory, religious studies, philosophy—and has been continuously in print and in commentary since the 5th century. The Wikipedia data showing only 5 languages likely reflects a disambiguation page rather than the work's actual encyclopedic presence.