我们必须像投资技术一样投资于人；两者对进步都至关重要。

Mathematics is a collaborative endeavor. No one does it alone.

A legal system is a system of rules which are valid according to the system's own criteria of validity.

没有道德或不道德的书，只有写得好或写得差的书。

感性世界是智性世界的影像。

诚信是所有商业关系的基础。