The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

"The greatest glory in living lies not in never falling, but in rising every time we fall."

如果经济学家能够使自己被认为是谦逊的，能干的，与牙医水平相当的人，这是好的。

写作是探索人类心灵复杂性的一种方式。