善良是一种人人都懂的语言。

货币政策中的时间不一致性问题出现在政策制定者一旦经济主体形成预期后，就有动机偏离他们宣布的政策。

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

Without patience, you cannot learn anything.

我们不是从祖先那里继承了地球；我们是从子孙那里借来的。