The key to understanding the Black-Scholes model is to recognize that it is based on the idea of creating a riskless hedge.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
真理不需要华丽的装饰。
信仰与看不见的事物有关，希望与不在手边的事物有关。
I'm just trying to be better every day.
让经济运转的方法不是增税，而是减税。
每一天都是比昨天更好的机会。