自满是进步的大敌。

最优财政政策要求税收随时间平滑，因为突然的变化会扭曲经济决策。

I am always glad to think that my education was, for the most part, informal, and had its roots in the soil.

生活中最鼓舞人心的事，莫过于看到一个人拥有正当合法的抱负，哪怕这抱负还很幼稚。

创造是赋予无生命之物生命，是给无声者以声音。

Authentic being means accepting responsibility for making personal choices.