The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

"Every book is a conversation between the author and the reader."

我们生活在时间中——它抓住我们并塑造我们——但我从未觉得我非常理解它。

天下的治乱不在于一个王朝的兴亡，而在于百姓的忧乐

理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。

采矿技术创新不是为了取代人，而是为了让他们的工作更安全、更高效。