The creative principle [of science] resides in mathematics.

A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.

If I had it [life] to do all over again, I'd have been a plumber.

If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

Brief is this existence, as a visit in a strange house. The path to be pursued is poorly lit by a flickering consciousness.

Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.

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.