你不必完美，只要真实。

the most famous composer in the world but was utterly miserable most of the time, and of the reasons was because he always overspent his income.This was Mozart.If Mozart couldn't get by with this kind of asinine conduct, I don't think you should try.

有志之士珍惜每一年的光阴；贤德之人，珍惜每一天的光阴；而圣人则会珍惜每一寸的光阴。

可以依赖的激情是恐惧。

数学中最重要的是提出正确的问题。