The Shuttle is to space flight what Lindbergh was to commercial aviation.

We have to abandon the idea that schooling is something restricted to youth. How can it be, in a world where half the things a man knows at 20 are no longer true at 40 - and half the things he knows at 40 hadn't been discovered when he was 20?

A precondition for being a science fiction writer other than an interest in the future is that, an interest - at least an understanding of science, not necessarily a science degree but you must have a feeling for the science and its possibilities and its impossibilities, otherwise you're writing fantasy. Now, fantasy is also fine, but there is a distinction, although no one's ever been able to say just where the dividing lines come.

It may be that the old astrologers had the truth exactly reversed, when they believed that the stars controlled the destinies of men. The time may come when men control the destinies of stars.

Getting information from the internet is like getting a glass of water from the Niagara Falls.

The goal of the future is full unemployment, so we can play. That's why we have to destroy the present politico-economic system.

There is hopeful symbolism in the fact that flags do not wave in a vacuum.