谄媚像九尾狐，灵巧像百舌鸟，可悲啊，使七尺之躯蒙羞。暴戾如三脚老虎，恶毒如两头蛇，可惜你的心已败坏。

We don't inherit the earth from our ancestors; we borrow it from our children.

The act of writing is an act of faith—in language, in the reader, in oneself.

The most important thing in mathematics is to understand the concepts, not just to memorize formulas.

I look back on the past, committed a felony little fool, I want to communicate with him and let him understand, but I can't do this, the boy would not see the, only my old trunk.