You can't be afraid of people willing to hurt you, because if you fear life, then you will never live.
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。
在不确定的时期,公司的价值观就是它的指南针。
The most valuable resource in any company is its people.