The ultimate test of any economic theory is whether it improves real-world decisions.
任何经济理论的最终检验标准是它是否能改善现实世界的决策。
在一个充满干扰的环境中，阅读是一种抵抗行为。
你爱得越多，你就能爱得越多——而且你爱得越强烈。
True progress in this industry comes from marrying tradition with technology.
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt, and the profoundest wisdom to know when it ought to be resisted, and when it be obeyed.
地理学的研究是研究人与环境之间的关系。
配额只是一个数字，除非我们坚定地执行它。