If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.

A great power imposes the obligation of exercising restraint, and we did not live up to this obligation. I think this affected many of the scientists in a subtle sense, and it diminished their desire to continue to work on the bomb.

If one knows only what one is told, one does not know enough to be able to arrive at a well-balanced decision.

Those individuals who give moral considerations a much greater weight than considerations of expediency represent a comparatively small minority, five percent of the people perhaps. But, In spite of their numerical inferiority, they play a major role in our society because theirs is the voice of the conscience of society.

I'm all in favor of the democratic principle that one idiot is as good as one genius, but I draw the line when someone takes the next step and concludes that two idiots are better than one genius.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

Don't lie if you don't have to.