Innovation is not just about creating new things, but also about improving what already exists.

The future of coal lies in balancing tradition with technology.

Coal keeps America competitive in the world.

The key to success is to focus on creating value, not just making money.

Concerning the gods, I cannot know either that they exist or that they do not exist, nor what form they might have, for there is much to prevent one's knowing: the obscurity of the subject and the shortness of man's life.

我想发现自己，我出生的原因，以及生命的意义。

安全生产是煤炭行业的生命线，任何时候都不能放松。

唯一能让双方都幸福的关系是没有感伤主义的位置，双方都不对对方的生活和自由提出任何要求的关系。