I have lived most of my life with the conviction that I don't dream, because I never could retrieve a dream.

You write a story about loneliness, and you grab them all because everybody's an expert on that one.

Inner space is so much more interesting, because outer space is so empty.

The story of my very first sale is the fact that I dreamed up a foolproof paper to cheat an insurance company out of several hundred thousand dollars.

As far as Im concerned, I didnt dream - ever.

Ninety percent of SF [science fiction] is crud, but then, ninety percent of everything is crud.

When I can't do something, this always impels me to study it.