We are lucky to live in an age in which we are still making discoveries.

I don't know what's the matter with people: they don't learn by understanding, they learn by some other way — by rote or something. Their knowledge is so fragile!

The present situation in physics is as if we know chess, but we don't know one or two rules.

I find that teaching and the students keep life going, and I would never accept any position in which somebody has invented a happy situation for me where I don't have to teach. Never.

Science is the organized skepticism in the reliability of expert opinion

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.

Just as a poet often has license from the rules of grammar and pronunciation, we should like to ask for 'physicists' license from the rules of mathematics in order to express what we wish to say in as simple a manner as possible.