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."

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

It's not that I'm so smart.

Those who have an interest in keeping the machinery of war going will stop at nothing to make public opinion subservient to their murderous ends.

It strikes me as unfair, and even in bad taste, to select a few of them for boundless admiration, attributing superhuman powers of mind and character to them. This has been my fate, and the contrast between the popular estimate of my powers and achievements and the reality is simply grotesque.

Only six men in the world know about relativity. I am not one of them. When I ask them to explain, they confused me.

There's no question dolphins are smarter than humans as they play more.