The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

要想端正自身行为，先要端正自己的身心；要想处理好天下大事，先要处理好身边小事。

欲望不是一件需要被理解的事情，它是一种需要被重视的力量。