Measured objectively, what a man can wrest from Truth by passionate striving is utterly infinitesimal. But the striving frees us from the bonds of the self and makes us comrades of those who are the best and the greatest.

The economic anarchy of capitalist society as it exists today is, in my opinion, the real source of evil.

Physics is essentially an intuitive and concrete science. Mathematics is only a means for expressing the laws that govern phenomena.

Princeton is a wonderful little spot. A quaint and ceremonious village of puny demigods on stilts.

Nothing happens til something moves.

Regarding sex education: no secrets!

In the shadow of the atomic bomb it has become even more apparent that all men are, indeed, brothers.