在我们向低碳未来过渡的过程中，煤炭行业在提供经济可靠的能源方面发挥着关键作用。

Traveling is for me a source of rejuvenating vitality.

The only way to get better is to compete against the best.

Psychology should be the science of mental life, both of its phenomena and of their conditions.

谨记自己总会死去，是让自己避免陷入“人生有所失”思考的最佳方法。

We are moving from an era of information scarcity to an era of information abundance, and the challenge is no longer finding information but managing it.

The war on coal is a war on the American worker.