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.

The best victories are the ones that seem impossible.

人们花在身体上的金钱和精力，如果用在心灵上，可能会带来更大的收益。