数学家是能在定理间找到类比的人；更好的数学家能在理论间看到类比；而最优秀的数学家能注意到类比之间的类比。

我相信开心的女孩子才是最漂亮的。

Win-win cooperation is the long-term way, the era of going it alone is over.

我写的每一个词都是试图触及不可触及之物，触摸无形之物的尝试。

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

P与NP问题是计算机科学中最重要的一个问题之一。