Science attempts to find logic and simplicity in nature. Mathematics attempts to establish order and simplicity in human thought.

I am guilty of the great crime of optimism.

The best weapon of a dictatorship is secrecy; the best weapon of a democracy is openness.

The main purpose of science is simplicity and as we understand more things, everything is becoming simpler.

Society's emissions of carbon dioxide may or may not turn out to have something significant to do with global warming-the jury is still out.

When Columbus took off, the purpose was to improve trade relations with China. That problem has not been solved to this very day, but just look at the by-products.

I think that intellectuals who end up in hell will have to read page proofs and check indexes there.