Failing isn't bad when you learn what not to do.

One should never impose one's views on a problem; one should rather study it, and in time a solution will reveal itself.

I advocate world government because I am convinced that there is no other possible way of eliminating the most terrible danger in which man has ever found himself. The objective of avoiding total destruction must have priority over any other objective.

When I think of the most able students I have encountered in my teaching - I mean those who have distinguished themselves not only by skill but by independence of thought - then I must confess that all have had a lively interest in epistemology.

A model should be as simple as it can be but no simpler

My relationship to the Jewish people has become my strongest human bond, ever since I became fully aware of our precarious situation among the nations of the world.

I always found I was in the best of company, alone.