Adam Smith
- The Wealth of Nations
Aeschylus
American State Papers
Aristophanes
- Lysistrata
- The Clouds
Aristotle
- Categories
- Ethics
- Metaphysics
- On Interpretation
- On the Soul
- Physics
- Poetics
- Politics
Bacon
- Novum Organum
Berkeley
- The Principles of Human Knowledge
Cervantes
- Don Quixote
Chaucer
- Troilus and Criseyde
Copernicus
- Revolutions of the Heavenly Spheres
Dante
- The Divine Comedy
Darwin
- The Origin of Species
Descartes
- Discourse on the Method
Dostoevsky
- The Brothers Karamazov
Euclid
- Elements
Euripides
Freud
- The Origin and Development of Psychoanalysis
Galen
- On the Natural Faculties
Galileo
- Two New Sciences
Gibbon
- The Decline and Fall of the Roman Empire
Harvey
- The Motion of the Heart and Blood
Herodotus
- The History
Hippocrates
- Writings
Hobbes
- Leviathan
Homer
- The Iliad
- The Odyssey
Hume
- An Enquiry Concerning Human Understanding
James
- Principles of Psychology
Kant
Kepler
- Epitome of Copernican Astronomy
Lavoisier
- Elements of Chemistry
Locke
- An Essay Concerning Human Understanding
- Concerning Civil Government [Second Essay]
Lucretius
- On the Nature of Things
Machiavelli
- The Prince
Marcus Aurelius
- Meditations
Marx and Engels
- Manifesto of the Communist Party
Melville
- Moby Dick
Mill
- On Liberty
- Representative Government
Milton
- Areopagitica
- Paradise Lost
Montaigne
- Essays
New Testament
- Acts of the Apostles
- Gospel According to Matthew
Newton
- Mathematical Principles of Natural Philosophy
Nicomachus
- Introduction to Arithmetic
Old Testament
Pascal
Plato
- Crito
- Laws
- Meno
- Phaedo
- Statesman
- The Apology
- The Republic
- Theaetetus
Plotinus
- Enneads
Plutarch
Ptolemy
- The Almagest
Rabelais
- Gargantua and Pantagruel
Rousseau
- A Discourse on the Origin of Inequality
- The Social Contract
Shakespeare
Sophocles
- Antigone
- Oedipus the King
Spinoza
- Ethics
St. Augustine
- Confessions
- The City of God
St. Thomas Aquinas
- Summa Theologica
Swift
- Gulliver's Travels
Tacitus
- The Annals
- The Histories
Thucydides
- The History of the Peloponnesian War
Tolstoy
- War and Peace
Virgil
- The Aeneid

The unexamined life is not worth living.