困难之中蕴藏着机会。

The deepest theorems in mathematics often have the simplest statements.

Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

I'm not big on compromise. I understand compromise. Sometimes compromise is the right answer, but oftentimes compromise is the equivalent of defeat, and I don't like being defeated.

没有人比说真话的人更招人恨。