The beauty of the Black-Scholes formula is that it depends on only one unobservable parameter, the volatility of the stock.
布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数，即股票的波动率。
即使是小小的技艺，也一定有值得一看的地方。但对于远大的事业恐怕有所阻碍，所以君子不去干这些。
关心是某事物确实重要的状态。
预测未来的最好方法就是去创造未来。
I am interested in the way people lie to themselves, the stories they tell themselves to make life bearable.
The only limit to our realization of tomorrow is our doubts of today.