数学是过去与未来的对话。

True progress comes when we challenge the status quo and embrace change.

出自《抱朴子·行品卷》。有强劲的胆略，和坚定的信念，便可以毫无畏惧。怀有正义，便能够为了正义视死如归。

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

别自寻烦恼的只想比你同时代的人或是先辈们出色，试着比你自己更出色吧。