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

可持续发展不是一个流行词，而是每天做得更好的承诺。

The true measure of a company's success is its impact on society, not just its bottom line.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

世俗的君子，如果他很穷你却说他很富，他就会发怒；如果他不义你却说他有义，就很高兴。 

最好的报复就是巨大的成功。