"Every film is a journey, and you never know where it's going to take you."

布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为估计几个关键参数，尤其是波动率。

To understand a life, one must first understand the age in which it was lived.

我不担心人们说什么。我知道我能做什么。