A good mechanism design aligns individual incentives with social goals.
Fashion is a form of imitation and so of social equalization, but, paradoxically, in changing incessantly, it differentiates one time from another and one social stratum from another.
你无法仅靠站着凝视水面就能穿越海洋。
地球提供了足够的东西来满足每个人的需求,但不是每个人的贪婪。
和我一起变老吧!最好的日子还在后头,生命的最后时光,正是为了最初的日子而存在的。