居身平安之境要考虑危难之时，处身太平盛世要想到乱世之日。

创造力需要放下确定性的勇气。

If you borrow something， try to return it in better shape than you received it. Clean it， sharpen it， fill it up.

I do not much like to take the tone of a moralist.

我不害怕，我很专注。