The mind is the most important thing in tennis.
The hardest thing to learn in life is which bridge to cross and which to burn.
If you don't fail at least 90 percent of the time, you're not aiming high enough.
A painting is never finished, only abandoned.
观看与领悟是截然不同的两回事。除非悟出一样东西的美，否则不算领会。唯有如此，这样东西才真正存在。
Speak confidently as if you are right， but listen carefully as if you are wrong.
Leadership is about listening more than speaking.
The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.
