As knowledge grew, fear decreased; men thought less of worshiping the unknown, and more of overcoming it.

Philosophy is harmonized knowledge making a harmonious life; it is the self-discipline which lifts us to serenity and freedom. Knowledge is power, but only wisdom is liberty.

The past is not dead. Indeed, it is often not even past.

Progress is the increasing control of the environment by life.

The Institutional Church (ecclesia) has killed only two kinds of people: Those who do not believe in the teachings of Jesus Christ, and those who do.

From barbarism to civilization requires a century; from civilization to barbarism needs but a day.

The South creates the civilizations, the North conquers them, ruins them, borrows from them, spreads them: this is one summary of history.