Success is not about money and power. Real success is about relationships. There's no point in making $50 million a year if your teenager thinks you're a jerk and you spend no time with your wife.

Don't give up. Don't lose hope. Don't sell out.

The character is a piece of fiction. You are yourself, however, and that makes you interesting, because you're alive and you're a human being.

What makes Superman a hero is not that he has power, but that he has the wisdom and the maturity to use the power wisely. From an acting point of view, that's how I approached the part.

Never accept ultimatums, conventional wisdom, or absolutes.

On the wall of his rehabilitation room was a picture of the space shuttle blasting off, autographed by every astronaut now at NASA. On top of the picture it says, "We found nothing is impossible." That should be our motto.

All the scientists who are working on solving the problem of curing paralysis say that it won't do you any good if you don't keep your body in shape.