爱的奥秘比死亡的奥秘更伟大。

The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。