"The world is a book, and those who do not travel read only one page."
The only thing that scares me more than space aliens is the idea that there aren't any space aliens. We can't be the best that creation has to offer. I pray we're not all there is. If so, we're in big trouble.
对人类行为的经济学方法并非其他方法的替代品,而是一种补充。