Dostoevsky gives me more than any scientist, more than Gauss.

I was sitting in a chair in the patent office at Bern when all of a sudden a thought occurred to me: "If a person falls freely he will not feel his own weight." I was startled. This simple thought made a deep impression on me. It impelled me toward a theory of gravitation.

If I had my life to live over again, I would elect to be a trader of goods rather than a student of science. I think barter is a noble thing.

You teach me baseball and I'll teach you relativity...No we must not. You will learn about relativity faster than I learn baseball.

It is only to the individual that a soul is given.

Only strong characters can resist the temptation of superficial analysis.

If you cannot explain it simply, you do not understand it enough.