未经审视的生活不值得过。

To write a life is to walk a tightrope between fact and interpretation.

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

矿工最伟大的工具不是他们的设备，而是他们的判断力。

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

一部伟大的电影是让观众带着更多问题而不是答案离开的电影。

衡量一个人的真正标准是他如何对待那些对他毫无益处的人。

科学的进步不仅是通过回答问题，而是通过提出更好的问题。

The world is a beautiful place, but it has its thorns.