Leadership means listening more than you speak, and acting more than you promise.
The only way to do great work is to love what you do.
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。
初期教育应是一种娱乐,这样才更容易发现一个人天生的爱好。