If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.

Ordinary fools are all right; you can talk to them, and try to help them out. But pompous fools-guys who are fools and are covering it all over and impressing people as to how wonderful they are with all this hocus pocus-THAT, I CANNOT STAND! An ordinary fool isn't a faker; an honest fool is all right. But a dishonest fool is terrible!

For those who want some proof that physicists are human, the proof is in the idiocy of all the different units which they use for measuring energy.

I'm going to play with physics, whenever I want to, without worrying about any importance whatsoever.

I'd hate to die twice. It's so boring.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

It does not make any difference how beautiful your guess is. It does not make any difference how smart you are, who made the guess, or what his name is if it disagrees with experiment it is wrong. That is all there is to it.