因果模型是理解世界的关键。
The causal model is the key to making sense of the world.
Freedom is the right to live as we wish.
释文：不了解事情的真相就高谈阔论，便是不明智；如果知道了而不谈，就 是不忠诚。
Great leaders don't tell you what to do, they show you how it's done.
The stock exchange is a poor substitute for the Holy Grail.
天下不能由一个人治理，就设置官员来治理。