不要走在我后面，因为我可能不会引路；不要走在我前面，因为我可能不会跟随；请走在我的身边，做我的朋友。

"The world is full of stories, but it takes a special kind of person to hear them."

煤炭曾是工业进步的支柱，但其未来必须平衡经济需求与环境责任。

"Maybe you can afford to wait. Maybe for you there’s a tomorrow. Maybe for you there’s one thousand tomorrows, or three thousand, or ten, so much time you can bathe in it, roll around it, let it slide like coins through your fingers. So much time you can waste it. But for some of us there’s only today. And the truth is, you never really know."