The most profound ideas in mathematics often arise from the simplest observations.

要重生，首先你必须死去。

文学是无言者的声音。

一个精心设计的家应该讲述居住者的故事。

War is the father of all, and king of all; and some he has made gods, and some men; some he has made slaves, and some free.

"The price of greatness is responsibility."

I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you.