The ability to fantasize is the ability to survive, and the ability to fantasize is the ability to grow

Why live? Life was its own answer. Life was the propagation of more life and the living of as good a life as possible.

Science fiction is really sociological studies of the future, things that the writer believes are going to happen by putting two and two together.

For if we're destroyed, the knowledge is dead...We're nothing more than dust jackets for books...so many pages to a person.

A stranger is shot in the street, you hardly move to help. But if, half an hour before, you spent just ten minutes with the fellow and knew a little about him and his family, you might just jump in front of his killer and try to stop it. Really knowing is good. Not knowing, or refusing to know is bad, or amoral, at least. You can’t act if you don’t know.

Hollywood was a good influence because I was madly in love with films, and the films had a direct influence on me.

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."