The key to understanding the Black-Scholes model is recognizing that it is based on the idea of a risk-neutral world, where investors are indifferent to risk.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于风险中性世界的概念，在这个世界中投资者对风险漠不关心。
Women are never disarmed by compliments. Men always are. That is the difference between sexes.
Never let age be a barrier to learning or discovery.
La palabra es el arma más poderosa que tenemos, porque con ella podemos cambiar el mundo.
The biggest mistake you can make is thinking you know everything.