理解劳动力市场的最佳方式是观察现实数据，而不仅仅是理论模型。
The best way to understand labor markets is to look at real-world data, not just theoretical models.
Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.
任何一个有智力的笨蛋都可以把事情搞得更大，更复杂，也更激烈。往相反的方向前进则需要天份，以及很大的勇气。
你必须对你所做的事情充满热情。
