爱就是爱，否则就不是爱。浅薄的爱根本不算爱。

In mathematics, the art of proposing a question must be held of higher value than solving it.

Maktub. If I am really a part of your dream, you'll come back one day.

The only thing necessary for the triumph of evil is for good men to do nothing.

The best way to gain self-confidence is to do what you are afraid to do.

当随机化不可行时，匹配方法可以是一个强大的工具。