"The world is a book, and those who do not travel read only one page."
The true cost of coal isn't just in its price, but in how we manage its consequences.
文学不是一场道德选美比赛。
The only way to learn mathematics is to do mathematics.
The stock market is a device for transferring money from the impatient to the patient.
我明白了成长意味着不害怕尝试新事物。
最优财政政策的设计应旨在减轻时间不一致性和政治经济周期引起的扭曲。