It is one thing to show a man that he is in an error, and another to put him in possession of truth.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Never let your sense of morals prevent you from doing what is right.
The true value of a forest goes far beyond its timber.
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。
"The most radical thing you can do is to stay home and love your family."