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 ….

I'm pretty catholic about what constitutes science fiction..

You can't trust reason. We threw it out of the ad profession long ago and have never missed it..

For someone to be taken seriously it was valuable to have the appearance of someone who deserved to be taken seriously..

The future depicted in a good SF story ought to be in fact possible, or at least plausible. That means that the writer should be able to convince the….

You don't think progress goes in a straight line, do you? Do you recognize that it is an ascending, accelerating, maybe even exponential curve? It ta….

That's really what SF is all about, you know: the big reality that pervades the real world we live in: the reality of change. Science fiction is the ….

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 cigar….

Science fiction is the very literature of change..

On this day I want to tell you about, which will be about a thousand years from now, there were a boy, a girl and a love story..

You can't really predict the future. All you can do is invent it..

I don't think the scientific method and the science fictional method are really analogous. The thing about them is that neither is really practiced v….

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..

Advertising reaches out to touch the fantasy part of people's lives. And you know, most people's fantasies are pretty sad..

The science fiction method is dissection and reconstruction..

People as me how I do research for my science fiction. The answer is, I never do any research..

When I sit down to the feast of life ... I'm so busy planning on how to pick up the check, and wondering what the other people think of me for paying….

If you don't care about science enough to be interested in it on its own, you shouldn't try to write hard science fiction. You can write like Ray Bra….

They were two lovely choices. One of them meant giving up every chance of a decent life forever...and the other one scared me out of my mind..

My first thought was always a cigarette. It still is, but I haven't cheated..

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