你不会忘记那个是你最后希望的人的脸。
"You don’t forget the face of the person who was your last hope."
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。
自信不是来自永远正确，而是来自不怕犯错。
但“长远”会误导当前事件，因为长远来说，我们都会死。
The secret of change is to focus all of your energy not on fighting the old, but on building the new.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.