The way to do great science is to stay away from subjects that are overpopulated, and go to the frontiers.

I don't think we are here for anything. We're just products of evolution. You can say, "Gee, your life must be pretty bleak if you don't think there's a purpose." But I'm anticipating a good lunch.

One of the greatest gifts science has brought to the world is continuing elimination of the supernatural.

My heroes were never scientists. They were Graham Greene and Christopher Isherwood, you know, good writers.

No good model ever accounted for all the facts, since some data was bound to be misleading if not plain wrong.

I am thrilled to see my genome.

A clone of Einstein wouldn't be stupid, but he wouldn't necessarily be any genius, either.