在计算中，将显而易见的东西变成有用的是“挫折”一词的活泼定义。

经济周期的福利成本并非周期本身，而是个体无法随时间平滑消费的能力。

I met the towering intellectuals in books, not in classroom, which is natural.My family was into all that stuff, getting ahead through discipline, knowledge, and self-control.

生存可以总结为三个字——永不放弃。这就是它的核心。只要继续尝试。

每次失败，你都离成功更近一步。