The essentials of being a person of my type lies precisely in what they think and how they think, not in what they do. Your thoughts shape you.

On the other hand, although I have a regular work schedule, I take time to go for long walks on the beach so that I can listen to what is going on inside my head. If my work isn't going well, I lie down in the middle of a workday and gaze at the ceiling while I listen and visualize what goes on in my imagination.

People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.

Since I do not forsee that atomic energy is to be a great boon for a long time, I have to say that for the present it is a menace. Perhaps it is well that it should be. It may intimidate the human race into bringing order into its international affairs, which, without the presence of fear, it would not do.

When a man, after long years of searching, chances upon a thought which discloses something of the beauty of this mysterious universe, he should not therefore be personally celebrated. He is already sufficiently paid by his experience of seeking and finding.

Politics is for the present, but an equation is for eternity.

The same thinking and actions that created our problems cannot be used to solve them.