Reason to rule, but mercy to forgive: the first is law, the last prerogative.

The mind is not a mirror of the world, but an instrument for dealing with it.

孕育过一次邪恶的灵魂，此后便无法滋养善良。

生命的意义在于经历，而不在于结果。

A good mathematician should be both rigorous and imaginative.

"Innovation is the lifeblood of any successful organization."

我不是一个轻易放弃的人。