A good science fiction story is a story with a human problem, and a human solution, which would not have happened at all without its science content.

You don't sit up in a cave and write the Great American Novel and know it is utterly superb, and then throw it page by page into the fire. You just don't do that. You send it out. You have to send it out.

There are people who have tremendously important things to say, but they say it so poorly that nobody would ever want to read it.

Why on earth do you carry a mirror around with you?” “It's purely a defensive device. We seldom quarrel, and this is one of the reasons. Can you imagine yourself getting all worked up and contorted and illogical and then coming face to face with yourself, looking at yourself exactly as you look to everyone else?

Basically, fiction is people. You can't write fiction about ideas.

Even if this is the end of humankind, we dare not take away the chances some other life-form might have to succeed where we failed. If we retaliate, there will not be a dog, a deer, an ape, a bird or fish or lizard to carry the evolutionary torch. In the name of justice, if we must condemn and destroy ourselves, let us not condemn all life along with us! We are heavy enough with sins. If we must destroy, let us stop with destroying ourselves!

As far as hypnosis is concerned, I had a very serious problem when I was in my twenties. I encountered a man who later became the president of the American Society of Medical Hypnosis. He couldn't hypnotize me.