煤炭推动了我们的过去，但我们必须诚实地面对它在未来中的作用。

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

I never think about the past. I always look forward to the next challenge.

每一个反应都是原子之间的对话。