Models are not crystal balls, but they are the best tools we have to understand the future.

Law is not a system of rules, but a system of rules and principles.

在我们这个发人深省的时代，最发人深省的是我们仍然没有思考。

光的质量就是空间的质量。

著书不为考据所误，其中包含着风雷般的老将之心。

The world is a mirror of the mind.

爱着的心才是真正活着的心。