在计算学习理论中，挑战不仅仅是学习，而是理解学习是如何可能的。

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.

The best scientists are those who remain humble in the face of nature's complexity.

真相很少纯粹，也绝不简单。

【释义】有仁德的人利用财富来修养、成就自身；没有仁德的人却不惜损耗自身（健康、人格乃至生命）去谋求财富。

Democracy... while it lasts is more bloody than either aristocracy or monarchy. Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There is never a democracy that did not commit suicide.

我认为我的工作是观察人和世界，而不是评判他们。我总是希望自己远离所谓的结论。