642 Quotes by Richard P. Feynman

One of the ways of stopping science would be only to do experiments in the region where you know the law. But experimenters search most diligently, and with the greatest effort, in exactly those places where it seems most likely that we can prove our theories wrong. In other words, we are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

All the time you're saying to yourself, 'I could do that, but I won't,'--which is just another way of saying that you can't.

Know your place in the world and evaluate yourself fairly, not in terms of the naive ideals of your own youth, nor in terms of what you erroneously imagine your teacher's ideals are.

I think I can safely say that nobody understands Quantum Mechanics.

Europeans are much more serious than we are in America because they think that a good place to discuss intellectual matters is a beer party.

There is enough energy in a single cubic meter of space to boil all the oceans in the world.

When you get as old as I am, you start to realize that you've told most of the good stuff you know to other people anyway.

To decide upon the answer is not scientific. In order to make progress, one must leave the door to the unknown ajar ajar only.

I want to marry Arline because I love her - which means I want to take care of her. That is all there is to it. I want to take care of her. I am anxious for the responsibilities and uncertainties of taking care of the girl I love.