生命很短暂，没有时间争吵和争斗，我的朋友。

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.

最深刻的发现往往来自最简单的观察。

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.

Art is a way of surviving the future.

The best way to ensure peace is to maintain a balance of power among the major states.

煤炭开采的创新不仅仅是关于开采，而是要以更智能、更清洁、更高效的方式进行。