If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

Balance in large measure is knowing the things that can be changed, putting them in proper perspective, and recognizing the things that will not change."

Any power must be an enemy of mankind which enslaves the individual by power and by force, whether it arises under the Fascist or the Communist flag. All that is valuable in human society depends upon the opportunity for development accorded to the individual.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Concern for man himself must always constitute the chief objective of all technological effort

I believe in mystery and, frankly, I sometimes face this mystery with great fear. In other words, I think that there are many things in the universe that we cannot perceive or penetrate, and that also we experience some of the most beautiful things in life only in a very primitive form. Only in relation to these mysteries do I consider myself to be a religious man.

The thinking that got us to where we are is not the thinking that will get us to where we want to be.