Every story I've written was written because I had to write it. Writing stories is like breathing for me; it is my life.

When you grow up in science fiction you grow up in everything! It's the greatest and only field worth growing up in. It's the total field.

We've got to reinvest in space travel. We should have never left the moon.

How many times can a man go down and still be alive?

I'm numb and I'm tired. Too much has happened today. I feel as if I'd been out in a pounding rain for forty-eight hours without an umbrella or a coat. I'm soaked to the skin with emotion.

There is more than one way to burn a book. And the world is full of people running about with lit matches.

Garrett," said Stendahl, "do you know why I've done this to you? Because you burned Mr. Poe's books without really reading them. You took other people's advice that they needed burning. Otherwise you'd have realized what I was going to do to you when we came down here a moment ago. Ignorance is fatal, Mr. Garrett.