每当一座煤电厂关闭，美国的一部分心脏也随之关闭。

"To write is to confront the chaos of existence and give it form."

The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.

To truly know the world, look deeply within your own being; to truly know yourself, take real interest in the world.

Sustainability isn't an option; it's a necessity for the future of our planet.

God loves man's lamp-lights better than his own great stars。