The oldest， shortest words—'yes' and 'no'—are those which require the most thought.

我是一个人，我会坠入爱河，有时我无法控制每一种情况。

我们的正常之处，就在于自己懂得自己的不正常。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

译文：有道义的财物可以去谋取，没有道义的钱不能强求。赏析：君子爱财，取之有道。赚钱不可耻，但要走正道。那些来路不正的意外之财莫贪，人要是贪小便宜，终究会吃大亏的。