最好的领导者是那些能够预见未来的人。
艺术的力量在于它能够使不可见的东西变得可见。
经济学方法为理解所有人类行为提供了一个有价值的统一框架。
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.