First of all, it was October, a rare month for boys.

You fail only if you stop writing.

I don't like the kind of writer who's out to change the world and beat up on people for their own good. Stalin did that and Hitler did that, and to hell with them.

If you learn only methods, you'll be tied to your methods, but if you learn principles you can devise your own methods.

Science and religion have to go hand in hand with the mystery, because there's a certain point beyond which you say, "There are no answers."

Science is no more than an investigation of a miracle we can never explain, and art is an interpretation of that miracle.

Mars is empty now. Five hundred years from now, it'll be full of people.