成功就是能够从一个失败走向另一个失败而不丧失热情。

Sustainable development is not an option, but a necessity for the coal sector.

Cheerfulness is the best promoter of health.

The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.

释义：就像飞蛾扑向火焰一样，哪里会因为可能被焚烧身体而感到可惜呢。比喻表达了一种义无反顾、勇往直前的精神，即使面临危险和牺牲也在所不惜。