The best advice I was ever given was on my twenty-first birthday when my father said, Son, here's a million dollars. Don't lose it.

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.

We are the thoughts we choose to keep.

Religion (dharma) is decrease in kashay (anger, pride, deceit and greed) and increase of kashay is irreligion (adharma). When Kashay goes away (completely) is the religion of the Self (Soul).

My mouth is not talking, my fingers are!

Not to bash Los Angeles, but there is always a feeling in LA of where your stock is. Are you the top of the heap at the moment or do you have the blockbuster, did you get cast in that thing?

Experimentalists never know when their work is finished.

We live in a world where you're not being eaten by a lion when you fail, you just have to get another job.

...Search for the cause may be a hopeless pursuit because most disease states are the indirect outcome of a constellation of circumstances.

But no one who is lost has lost one ounce of value to God. Even if you don't have a relationship with him, you have immense value to God.

Christ died for me and you, and we embrace that or we don't.