Your self-worth is determined by you. You don't have to depend on someone telling you who you are.

Listen to everyone in your company and figure out ways to get them talking. The folks on the front lines—the ones who actually talk to the customer—are the only ones who really know what's going on out there. You'd better find out what they know.

The notion of truth is not definable in any formal system that is strong enough to include arithmetic.

在年轻的时候，请接受能为自己提供陡峭的学习曲线和艰苦的磨炼机会的工作。最初的工作是为人生打基础的，不要为了暂时的声望而轻易地接受一份工作。

领导力就是今天做出艰难的决定，以便明天让所有人受益。

I don’t see myself as a superstar. I see myself as a normal guy who loves tennis.