市场比政府更能高效地分配资源，但它并非完美无缺。

现代生活的最大悲剧是我们拥有我们想要的一切，但没有我们需要的东西。

Marriage is the one subject on which all women agree and all men disagree.

He who knows only his side of the case knows little of that.

数学的本质在于它的自由。