The world needs more people who are willing to challenge the status quo.

Productivity is being able to do things that you were never able to do before.

我们成功的真正标准是在保护资源的同时如何更好地养活世界。

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.

戏剧中的真相总是难以捉摸，但这并不意味着我们不应该追求它。