Authors
ANCIENT:
Aristophanes
Aristotle
Augustine
Epictetus
Epicurus
Hippocrates
Marcus Aurelius
Plato
Sophocles
MODERN:
Machiavelli
Descartes
Hobbes
Locke
Berkeley
Voltaire
Mary Wollstonecraft
Hume
Thoreau
Kant
Mill
20th Century:
Bertrand Russell
William James
Ludwig Wittgenstein