When I needed to overcome the low expectations of others or the bias that would be expressed in one circumstance or another, I'd keep on keeping on. And I climb over the obstacle, go around it, dig under it, fly over it. That's what kept me going. Otherwise I would have never been an astrophysicist.

No matter what eyewitness testimony is in the court of law, it is the lowest form of evidence in the court of science.

Computers have proved to be formidable chess players. In fact, they've beaten our top human chess champions.

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

Any time we are answer-driven rather than idea driven, we have lost the true meaning of education.

I'd go back and hang out with Isaac Newton. I'm torn between do I hang out with him or do I bring him into the present to hang out with me. See, that might be terrifying because his head will just explode once he sees everything that was derived from his discoveries, but I'd spend more time with someone who I think is one of the most brilliant minds our species has ever known.

I don't need my name anywhere.