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.

卡塞尔文献展必须始终令人惊讶，始终激发思考。

You need patience, discipline, and agility to take losses and adversity without going crazy.