Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

We're told, from many sources, that any onecan achieve anything. We've done away with the caste system, we are now in a system where anyone can rise to any position they please. And it's a beautiful idea. Along with that is a kind of spirit of equality; we're all basically equal. There are no strictly defined hierarchies. There is one really big problem with this, and that problem is envy.

你的时间有限，不要浪费时间为他人而活。

AI与云计算的融合将重新定义技术的未来。

投资环保鞣制工艺就是投资我们星球的未来。