评论人物，应该充分肯定他的长处，宽容地谅解他的短处；办理事务，应该首先弄清它的害处，然后再衡量它的利处。

成功投资的关键是拥有正确的性情。

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

宇宙的周期性变化源于爱和争斗的相互支配。

We either do the best or we don't do it at all.