God used beautiful mathematics in creating the world.

If one is working from the point of view of getting beauty into one's equation, ... one is on a sure line of progress.

There is in my opinion a great similarity between the problems provided by the mysterious behavior of the atom and those provided by the present economic paradoxes confronting the world.

The shortage of buyers, which the world is suffering from, is readily understood, not as due to people not wishing to obtain possession of goods, but as people being unwilling to part with something which might earn a regular income in exchange for those goods.

A mathematician is a device for turning coffee into theorems.

I do not see how a man can work on the frontiers of physics and write poetry at the same time. They are in opposition.