获得的物质很少会给你带来深刻的满足，但获得经验可以。

Leadership is about making the tough decisions and standing by them, even when they're unpopular.

It was always the view of my parents...that hot weather encouraged loose morals among young people.

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。