Almost all the other fellows do not look from the facts to the theory but from the theory to the facts; they cannot get out of the network of already accepted concepts; instead, comically, they only wriggle about inside.

Yes, we now have to divide up our time like that, between politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

It is impossible to get anywhere without sinning against reason.

You believe in a God who plays dice, I in complete law and order.

Art is standing with one hand extended into the universe and one hand extended into the world, and letting ourselves be a conduit for passing energy.

The theory must not contradict empirical facts.