Train people well enough so they can leave, treat them well enough so they don't want to.

The future of coal industry lies in clean and efficient utilization.

我们现代的头骨里装着一个石器时代的心智。

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

海洋养育了我们，我们有责任确保以关怀和尊重回馈它。