I see only with deep regret that God punishes so many of His children for their numerous stupidities, for which only He Himself can be held responsible; in my opinion, only His nonexistence could excuse Him.

Bureaucracy is the death of all sound work.

The most important decision we make is whether we believe we live in a friendly or hostile universe.

To the extent math refers to reality, we are not certain to the extent we are certain, math does not refer to reality.

Creating a new theory is not like destroying an old barn and erecting a skyscraper in its place. It is rather like climbing a mountain, gaining new and wider views, discovering unexpected connections between our starting points and its rich environment. But the point from which we started out still exists and can be seen, although it appears smaller and forms a tiny part of our broad view gained by the mastery of the obstacles on our adventurous way up.

In the shadow of the atomic bomb it has become even more apparent that all men are, indeed, brothers.

What use are socks? They only produce holes.