Innovation is not just about creating something new, but about making what exists better.
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。
All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.