I like stories of the classic hero, of good versus evil, the ones in which the good guys wear white and the bad guys wear black... and I love a good sword fight.

A leader must be inspired by the people before a leader can inspire the people.

Because a true sense of purpose is deeply emotional, it serves as a compass to guide us to act in a way completely consistent with our values and beliefs. Purpose does not need to involve calculations or numbers. Purpose is about the quality of life. Purpose is human, not economic.

Anyone can sell product by dropping their prices, but it does not breed loyalty.

I couldn't understand why my productivity went down when I had deliberately made more time available to write. Then I realized it was because I wasn't flying as much.

Curiosity is essential for progress. Only when we look to worlds beyond our own can we really know if there's room for improvement.

Ideas are like dreams; they will disappear unless we record them. Write a book, a blog, build a company, anything that makes the ideas real.