Coal miners don't just dig in the dirt, they dig for progress.
煤矿工人不仅仅是在挖土，他们是在挖掘进步。
Quality is not a luck; it is a strategy.
The sun, the sea, the wind—these are the eternal poets.
Reason obeys itself; and ignorance submits to whatever is dictated to it.
学习数学的唯一方法就是做数学。
在煤炭行业，今天的效率决定明天的存亡。