If the purpose of the universe was to create humans then the cosmos was embarrassingly inefficient about it.

As they are currently practiced, there is no common ground between science and religion... Although just as in hostage negotiations, it's probably best to keep both sides talking to each other.

The worst thing that ever happened to America was the 19th Amendment.

Who knows how dead Lazarus was? Was Lazarus decomposing in a six-foot grave when Jesus resurrected him? No, he wasn't.

There is no greater education than one that is self-driven.

I'm a fan of the planets in any combination. When I was born, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune, Pluto, the Sun, and the Moon were all in the sky.

When NASA dreams big America dreams big. People...kids say, 'I want to do that when I grow up'. Because you want to do what's visible to you.