人类是一种非常奇特的生物。
The human being is a most curious creature.
悲观者抱怨风向，乐观者期待风向改变，而领导者调整船帆。
I'm not a prophet, I'm a messenger.
Mathematics is the language with which God has written the universe.
The best way to understand labor markets is to look at real-world data, not just theoretical models.
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。
Information is the key to the functioning of markets, and the lack of it can lead to market failures.