No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

我们今天做的每一个决定都塑造着我们留下的世界。

Sustainability isn’t an option—it’s the future of our business.

On haters: "If you never want to be criticized， for goodness' sake don't do anything new."

数学是科学的女王，而数论是数学的女王。