It is doubtful whether the oppressed ever fight for freedom. They fight for pride and power-power to oppress others.

One word characterizes the most strenuous of the efforts for the advancement of science that I have made perservereingly during fifty-five years; that word is failure

The suspicious mind believes more than it doubts. It believes in a formidable and ineradicable evil lurking in every person.

To believe that if only we had this or that we would be happy, or to pursue any excessive desire, diverts us from seeing that happiness depends on an adequate self.

Our passionate preoccupation with the sky, the stars, and a God somewhere in outer space is a homing impulse. We are drawn back to where we came from.

Sometimes we feel the loss of a prejudice as a loss of vigor.

Creativity is the ability to introduce order into the randomness of nature.