Every time a coal plant closes, a piece of America's heart closes with it.

"The use of traveling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are."

你必须愿意失败，愿意犯错，即使所有人都说你疯了也要继续前进。

一个观念的效用决定了它在精神生活中的地位。