江河的水之所以浩浩荡荡，并非只由一个源头流出来；无比珍贵的皮衣，并非只由一只狐狸腋下的毛皮所能制成。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

The only limits that exist are the ones in your mind.

In auctions, the rules determine the outcome as much as the bidders' strategies.

【译文】 季路问怎样侍奉鬼神，孔子说：“人都不能侍奉好，还谈什么侍奉鬼神？“请问死是怎么回事？“生都不了解，还谈什么了解死？”

应对世界的唯一方法就是书写它。