The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.

Leadership is about making tough decisions today that will benefit generations to come.

作家是玩弄他母亲身体的人。

地理学首先是关于地方的科学，而非关于人的科学。