Doubt is not a pleasant condition， but certainty is an absurd one.

There is only one road in the world that no one but you can take. Where does it lead? Don't ask, just walk.

【译文】所谓仁人，只要能做到自己想成功时先帮别人成功，自己想得到时先帮别人得到，就可以了。推己及人，可算实行仁的方法。

The historian will tell you what happened. The novelist will tell you what it felt like.

我在华尔街作为物理学家学到的最重要的一课是，市场不是物理学。