学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。
The best way to learn econometrics is by doing—working with real data and real problems.
Writing is a way to fight against nothingness.
测量不可测量之物需要的不仅是技术，还有想象力。
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
你忘记了你想记住的，却记住了你想忘记的。
领导力是关于今天做出艰难的决定，这些决定将使后代受益。