Pure mathematics is, in its way, the poetry of logical ideas.

Happiness is not just the absence of sadness; it's the presence of meaning.

大家互相钩，互相镶，就是互相残害啊！ 

所有人类的错误都是不耐烦，过早地中断有条不紊的程序，对表面问题进行明显的围栏。