阅读只为心灵提供知识的材料；是思考使我们所读的内容成为我们自己的。
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
我有一份压力很大的工作，我能把它从我的脑海中解脱出来的唯一方法就是努力奔跑。这是我获得一些释放的唯一途径。
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.