Be suspicious of people who have, or crave, power. Never, ever go near power. Don't become friends with anyone who has real power. It's dangerous.

Never say no to an idea - you never know how that idea will ignite another idea.

Man isn't a noble savage, he's an ignoble savage. He is irrational, brutal, weak, silly, unable to be objective about anything where his own interests are involved-that about sums it up. I'm interested in the brutal and violent nature of man because it's a true picture of him. And any attempt to create social institutions on a false view of the nature of man is probably doomed to failure.

You're constantly changing man. But the film's not changing. The film stays the same. That's the beautiful aspect of it.

I’ve never been certain whether the moral of the Icarus story should only be, as is generally accepted, ‘don’t try to fly too high,’ or whether it might also be thought of as ‘forget the wax and feathers, and do a better job on the wings.

Take a stress pill and think things over-- HAL in 2001

The feel of the experience is the important thing, not the ability to verbalize or analyze it.