Good econometrics is like good carpentry—it's all about using the right tool for the job.
一个好的数学家是懒惰的,但要以建设性的方式。
Kill one person, that is the murderer, Kill 100 people, it is a hero.
我告诉你,我们在地球上就是为了闲逛,别让任何人告诉你不同的。