The Roots of Education Are Bitter, but the Fruit Is Sweet! — 11 Greatest Books of the Greatest Philosophers

As a Man Thinketh
by James Allen

Guide to Stoicism
by St. George William Joseph Stock

An Essay Concerning Human Understanding,
Volume 1 | Volume 2
by John Locke
Gutenberg Texts

Walden

Civil Disobedience
by Henry David Thoreau
Gutenberg Text
9th grade reading level

The Religion of the Samurai
by Kaiten Nukariya
Gutenberg Text

Introduction to the Philosophy and Writings of Plato
by Thomas Taylor
Gutenberg Text

The Art of War
Gutenberg Text

The Prince
by Niccolò Machiavelli

An Introduction to Philosophy
by George Stuart Fullerton

Cyclopedia of Philosophy
by Sam Vaknin
Gutenberg Text