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

My only hope is that every other alien civilization isn't doing exactly what we are doing because then everybody would be listening, nobody would be receiving, and we would collectively conclude that there is no other intelligent life in the universe.

I remain unconvinced that anything other than rapid decomposition is the fate of my body and mind after death.

Here's something that intrigues me: If you have faith, you believe regardless of the evidence, yet if there's ever evidence to support faith, everyone goes to it and points to it.

Deep in the world of atomic nuclei, life is not always tranquil.

I dream of a world where the truth is what shapes people's politics, rather than politics shaping what people think is true.

When you innovate, the jobs can't go overseas because other countries haven't figured out how to do it yet.