可持续发展不再是可选项——它是任何希望在未来蓬勃发展的企业的必需品。

Never stop asking questions—that’s where the answers begin.

One of the greatest ways to avoid trouble is to keep it simple...the system often goes out of control.

The only thing I can control is my effort and my attitude.

I don’t want to be remembered just as a tennis player. I want to be remembered as a good person.

"Tennis has given me everything, and I want to give something back."