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.

我的心是旷野的鸟，在你的眼睛里找到了它的天空。

我相信艺术是一种教育形式。

The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

现实总是比我们对它的任何想法都更加丰富。

教育的根是苦的，但果实是甜的。