Profit without purpose is ultimately unsustainable.
没有目标的利润最终是不可持续的。
Pleasure is the greatest good, and we should seek it and avoid pain.
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。
我不是来让每个人都喜欢我的。我是来做我自己的。
In mathematics, the journey of discovery is often more rewarding than the destination itself.