把员工培训得足够好，让他们有能力离开；对待他们足够好，让他们不想离开。

煤炭的未来不在于产量，而在于通过技术和可持续性创造价值。

Nature is to be followed, but only when it is refined by art.

一本书是与死者的对话。

The quality of ideas seems to play a minor role in mass movement leadership. What counts is the arrogant gesture, the complete disregard of the opinion of others, the singlehanded defiance of the world.