成功不是终点，失败也非致命，继续前进的勇气才是关键。
Success is not final, failure is not fatal: it is the courage to continue that counts.
采矿效率来自于持续改进，而不仅仅是重大突破。
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
您生下我来，把我教养成人，爱惜我，厚待我，尽我的责任去回报您是我的本分，我要服从您，爱您，尊敬您。
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
You are stronger than you think.
Every ton of coal we extract carries equal weight in responsibility.