We can be absolutely certain only about things we do not understand.

Humility is not renunciation of pride but the substitution of one pride for another.

My writing is done in railroad yards while waiting for a freight, in the fields while waiting for a truck, and at noon after lunch. Towns are too distracting.

We have rudiments of reverence for the human body, but we consider as nothing the rape of the human mind.

It is futile to judge a kind deed by its motives. Kindness can become its own motive. We are made kind by being kind.

Propaganda does not deceive people; it merely helps them to deceive themselves.

All great art is revolutionary because it touches upon the reality of man and questions the reality of the various transitory forms of human society.