Look, whispered Chuck, and George lifted his eyes to heaven. (There is always a last time for everything.) Overhead, without any fuss, the stars were going out.

Good morning, Dr. Chandra. This is Hal. I am ready for my first lesson.

Only small minds are impressed by large numbers.

A man who grows that much hair,' critics were fond of saying, 'must have a lot to hide.

Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.

There's no real objection to escapism, in the right places... We all want to escape occasionally. But science fiction is often very far from escapism, in fact you might say that science fiction is escape into reality... It's a fiction which does concern itself with real issues: the origin of man; our future. In fact I can't think of any form of literature which is more concerned with real issues, reality.

Never attribute to malevolence what is merely due to incompetence