You must understand that love never keeps a man from pursuing his Personal Legend. If he abandons that pursuit, it's because it wasn't true love.

To do things with words is not a special kind of doing， but a special kind of speaking.

劳动经济学从根本上讲是理解人们的选择和约束。

Mathematics is not a spectator sport; to understand it, one must engage with it actively.

道德规范在我们这个行业是不可协商的。