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 put a limit on what can be accomplished.

Some people are walking around with full use of their bodies and they're more paralyzed than I am.

there is a relationship between the mind and the body that can both create a physical condition and enable us to recover from it

For everyone who thought I couldn’t do it… for everyone who thought I shouldn’t do it… for everyone who said, ‘It’s impossible’… see you at the finish line!

I have more awareness of other people and, I hope, more sensitivity to their needs. I also find that I'm more direct and outspoken.

When the first Superman movie came out, I gave dozens of interviews to promote it. The most frequent question was: What is a hero? My answer was that a hero is someone who commits a courageous action without considering the consequences. Now my definition is completely different. I think a hero is an ordinary individual who finds the strength to persevere and endure in spite of overwhelming obstacles.