I don't have any sense of myself except as an actor.

数学的目标是理解我们观察到的现象背后的结构。

历史不仅仅是过去的故事，它也是现在的镜子和未来的窗口。

When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.

The best way to predict the future is to create it.

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。