Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

You manage things; you lead people.

数学家的工作是在别人看到混乱的地方发现模式。

银河系中心附近的恒星就像宇宙时钟，帮助我们绘制时空图。

我真心爱的人不多，看得起的人更少。