In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.

统治这个世界的是想像力。

The biggest reward is not financial gain, but the ability to impact people's lives in a positive way.

"We are all the sum of our choices, but also of the choices made for us by others."

The only person who is educated is the one who has learned how to learn and change.

世界上任何书籍都不能带给你好运，但它们能让你悄悄成为你自己。