"We don't get to choose our own hearts. We can't make ourselves want what's good for us or what's good for other people."

The most important political distinction among countries concerns not their form of government but their degree of government.

Happiness is not out there for us to find. The reason that it’s not out there is that it’s inside us.

煤炭的未来在于平衡环境责任与能源需求。

真正的进步发生在我们敢于质疑现状之时。