I don't believe in colleges and universities. I believe in libraries because most students don't have any money. When I graduated from high school, it was during the Depression and we had no money. I couldn't go to college, so I went to the library three days a week for 10 years.

But with the library, it's like catnip, I suppose: you begin to run in circles because there's so much to look at and read.

Insanity is relative. It depends on who has who locked in what cage.

We cannot tell the precise moment when friendship is formed. As in filling a vessel drop by drop, there is at last a drop which makes it run over; so in a series of kindnesses there is at last one which makes the heart run over.

Every day is Christmas Day to a dog.

If you have to ask yourself whether or not you love a girl or you love a boy, forget it. You don't.

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.