There have been only 268 of the past 3,421 years free of war.

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.

I feel for all faiths the warm sympathy of one who has come to learn that even the trust in reason is a precarious faith, and that we are all fragments of darkness groping for the sun. I know no more about the ultimates than the simplest urchin in the streets.

In the end, nothing is lost. Every event, for good or evil, has effects forever.

Nothing is new except arrangement.

In the last analysis civilization is based upon the food supply.

The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.