人心比万物都诡诈，坏到极处，谁能识透呢？

I never look back, I always look forward.

Good econometrics is like good carpentry—it's all about using the right tool for the job.

领导力就是要以诚信做出艰难的决定。

过去从未消逝，它甚至还未成为过去。

A society that puts equality before freedom will get neither. A society that puts freedom before equality will get a high degree of both.

这个世界惟有两样东西让我们的心灵感到深深的震撼，一是我们头顶上灿烂的星空,一是我们内心崇高的道德法则。