A theory of justice

An essay concerning human understanding, 1690

John Locke

Two treatises on civil government

John Locke

Philosophische Untersuchungen

Ludwig Wittgenstein

An enquiry concerning human understanding

David Hume

A discourse on method

René Descartes

Also sprach Zarathustra

Friedrich Nietzsche

Die Metaphysik der Sitten

Immanuel Kant

Phänomenologie des Geistes

Georg Wilhelm Friedrich Hegel

The Federalist

Alexander Hamilton

The Structure of Scientific Revolutions

Thomas S. Kuhn

Fröhliche Wissenschaft

Friedrich Nietzsche

Il Principe

Niccolò Machiavelli