That's the thing about people who think they hate computers. What they really hate is lousy programmers.

Ethics change with technology.

SF isn't a genre; SF is the matrix in which genres are embedded, and because the SF field is never going in any one direction at any one time, there is hardly a way to cut it off.

The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

Everything starts as somebody's daydream.

In the world of words the imagination is one of the forces of nature.

In hindsight it may even seem inevitable that a socialist society will starve when it runs out of capitalists.

You learn by writing short stories. Keep writing short stories. The money's in novels, but writing short stories keeps your writing lean and pointed.

We learn only to ask more questions.

It's very difficult for a black man to get out of South-Central Los Angeles, and get out civilized....The only men I know who have escaped, all began reading Robert Heinlein at age ten.

One mark of a good officer, he remembered, was the ability to make quick decisions. If they happen to be right, so much the better.

Let us remember that we need to forgive to be forgiven.

It is hard to befool a fool who has already been fooled so many times

Teaching is not the oldest profession. But it is certainly among the loneliest.

If I'm not doing anything to make a change, then I'm responsible.

A factor that greatly supports the opening of energy in practice is exercise and care of the physical body.

girls forbidden to dance would only attract husbands with bad complexions and sunken chests.

We cannot continue to close our eyes to the fact that we have to truly embrace green jobs, new technologies and alternative sources of energy.

Wavering and burning like a golden lie.

People say sometimes, "You work in the fastest-moving industry in the world." I don't feel that way. I think I work in one of the slowest. It seems to take forever to get anything done.

For there no yew nor cypress spread their glom But roses blossom'd each rustic tomb.