煤炭开采是地球与人类智慧的合作伙伴关系。

你管理事物；你领导人们。

Freedom and order are not incompatible; truth is strength; free discussion is the very life of truth.  

In transgressing the law of nature, the offender declares himself to live by another rule than that of reason and common equity.

It's not about the destination, it's about the journey.

The poetry of the earth is never dead.

用你所拥有的，在你所在的地方，做你能做的事。