The scabbard is content to be dull when it protects the keenness of the word.
剑鞘保护剑的锋利,自己却满足於它自己的迟钝。
你无法改变过去,但可以从中吸取教训。
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.
Success is doing the best you can with what you have.