Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tips of my words.

人依靠自己的力量人才能生存,不依靠自己的力量人就不能生存。

别让失败定义你，让它们教会你。

The essence of mathematics lies in its freedom.

循环经济是关于创建一个长期对所有人都有利的系统。