I believe in the power of teamwork. No one can do it alone.

"You can’t just sit down and write a book. That’s not how books get written. Books get written by living your life, by being open to the world, by paying attention."

不管你是不是我的粉丝，我还是会做我自己。

Tennis is a brutal sport. There is no place to hide out there.

A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.

The future of manufacturing lies in closed-loop systems.