数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

I like things that are simple and easy to understand.

To look at a thing is very different from seeing a thing. One does not see anything until one sees its beauty. Then and then only, does it come into existence.

不要着急，最好的总会在最不经意的时候出现。

真正的进步来自于经济增长与生态责任的平衡。