The most important thing is to stay alive.

When I see someone wasting a glass of water, I think of those who don't have water on Earth.

That’s been one of my mantras—focus and simplicity.Simple can be harder than complex，you have to work hard to get your thinking clean to make it simple.

The best furniture tells a story without saying a word.

最好的作品是那些拒绝被轻易理解的。

"Tennis is a sport where you have to be strong mentally and physically, but the mental part is even more important."