The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

"The difference between correlation and causation is fundamental in empirical work."

计算的未来不在于更强大的机器，而在于更有意义的互动。

艺术是一种提出社会不敢提出的问题的方式。

成功是一段旅程，而不是一个目的地。

A thing of beauty is a joy forever: its loveliness increases; it will never pass into nothingness.

The greatest knowledge is to know oneself.