The only way to do great work is to love what you do.

你无法管理你无法衡量的东西。

The truth is, if you ask me what I think about anything, I’ll tell you. I’m not afraid to say what I think.

每一天都是比昨天更好的机会。

I think it's possible for ordinary people to choose to be extraordinary.

数学的历史是人类心灵独创性和创造力的证明。