I was thinking of writing a little foreword saying that history is, after all, based on people's recollections, which change with time.

The big new development in my life is, when I turned 80, I decided I no longer have to do four pages a day. For me, it's like retiring.

I'm pretty catholic about what constitutes science fiction.

A good science fiction story should be able to predict not the automobile but the traffic jam.

It's clear that science and science fiction have overlapping populations.

I did that for 40 years or more. I never had any writer's block. I got up in the morning, sat down at the typewriter - now, computer - lit up a cigarette.

That's what life is, just one learning experience after another, and when you're through with all the learning experiences you graduate and what you get for a diploma is, you die.