The key to understanding the Black-Scholes model is to recognize that it is based on the idea of hedging to eliminate risk.
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。
"The only thing that is truly important is love."
人类是极其多样化的。一个将我们所有人都简化为同一类型的理论会错过我们生活中许多重要的东西，这并不奇怪。
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
The past is never dead. It's not even past.