When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images."

There are some things so serious you have to laugh at them.

It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature.

An expert is a man who has made all the mistakes which can be made in a very narrow field.

Of course I don't believe in it. But I understand that it brings you luck whether you believe in it or not.