Life improves slowly and goes wrong fast, and only catastrophe is clearly visible.

A state-of-the-art calculation requires 100 hours of CPU time on the state-of-the-art computer, independent of the decade.

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 tried to contribute to the defeat of the Soviets. If I contributed 1%, it is 1% of something enormous.

Physics is, hopefully, simple. Physicists are not.