The smartest people are all self-taught, even if they went to school.

解释：把周天子控制在手里，用天子名义号令天下，天下各诸侯没有一个敢不听从，王霸之业，就此建成。

I always felt that my greatest asset was not my physical ability, it was my mental ability.

生活并不会问我们想要什么。它给我们提供一些选择。

Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.