Science fiction, outside of poetry, is the only literary field which has no limits, no parameters whatsoever. You can go not only into the future, but into that wonderful place called other, which is simply another universe, another planet, another species.

I've always written very tightly, and there's a good reason for that. There's no point in using words that you're not going to apply.

Ninety percent of everything is crap.

An old-shoe lover loves loving old shoes.

A good science fiction story is a story with a human problem, and a human solution, which would not have happened at all without its science content.

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

Why must we love where the lightning strikes, and not where we choose?