I, a universe of atoms, an atom in the universe.

We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."

The electron is a theory. But the theory is so good we can almost consider them real.

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.

There is a computer disease that anybody who works with computers knows about. It's a very serious disease and it interferes completely with the work. The trouble with computers is that you 'play' with them!

Don't think about what you want to be, but what you want to do. Keep up some kind of a minimum with other things so that society doesn't stop you from doing anything at all.

We can deduce, often, from one part of physics like the law of gravitation, a principle which turns out to be much more valid than the derivation.