创新的关键不仅在于找到答案，还在于提出正确的问题。

In mining, safety isn't just policy - it's personal.

真正的能源解决方案来自真正的能源。

过去是你记得的、你想象你记得的、你确信你记得的、或者你假装记得的。

The difficulty, my friends, is not in avoiding death, but in avoiding unrighteousness; for that runs faster than death.