A well-run quarry is a symphony of precision, safety, and respect.《The Quarry Master's Manual》

煤炭造就了现代世界，我们有责任确保以智慧管理它的遗产。

In oil and gas, efficiency and responsibility must go hand in hand.

The most important part of teaching is to teach what it is to know.

创新的关键不仅在于创造新技术，还在于理解如何应用它们来解决现实世界的问题。