One of the nice things about math and science is it’s obvious, you get the answer or you don’t get the answer.

I considered going into business or becoming a lawyer - not for the money, but for the thrill of problem-solving.

One of the nice things about math and science is it’s obvious, you get the answer or you don’t get the answer.

I did not set out to explain the extinction of the dinosaurs. I'm a particle physicist, and I was actually thinking about dark matter along with some collaborators.

Faith just doesn't have anything to do with what I'm doing as a scientist. It's nice if you can believe in God, because then you see more of a purpose in things. Even if you don't, though, it doesn't mean that there's no purpose. It doesn't mean that there's no goodness. I think that there's a virtue in being good in and of itself. I think that one can work with the world we have.

Secrets of the cosmos will begin to unravel. I, for one, can't wait.

An almost indispensable skill for any creative person is the ability to pose the right questions. Creative people identify promising, exciting, and, most important, accessible routes to progress - and eventually formulate the questions correctly.