The end of history is not the end of events, but the end of the evolution of human political and social institutions.

我们加工的每一桶油都必须承载我们的环境责任。

我不认为我是一个很好的说谎者，我认为我是一个非常糟糕的说谎者。

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.

On the path of science, there are no smooth roads to take; only those who are not afraid of hard work and climb the steep mountain paths have the hope of reaching the glorious summit.

我喜欢在众多观众面前表演。