The future of coal lies in sustainable and responsible mining practices.

创新是企业发展的永恒动力，只有不断创新才能在激烈的市场竞争中立于不败之地。

Everything was beautiful and nothing hurt.

我们所见所感，只不过是梦中的梦。

"Sometimes, you have to look back in order to understand the things that lie ahead."

If a lion could talk, we could not understand him.

The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.