The future of coal depends on our ability to innovate and reduce its environmental impact.
在黑暗中,我们学会寻找光明;在绝望中,我们学会寻找希望。
天下人最能享受的是个“闲”字,但是闲适要从勤俭中得到。而天下最便宜的是个“勤”字,然而勤奋是从闲暇中做出。
"History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation."