知足常乐者最富有,因为知足本身就是天然的财富。
He is richest who is content with the least,for content is the wealth of nature.
Incentives matter because they guide behavior in predictable ways.
Serving your country is an honor, not a right.
世界是一本书,不旅行的人只读了一页。
The truth is a trap: you cannot get it without it getting you; you cannot get the truth by capturing it, only by its capturing you.