如果你无法飞翔，那就奔跑；如果你无法奔跑，那就快走；如果你无法快走，那就爬行。但无论如何，你必须继续前进。
The truth is not always what it seems, and sometimes it is better not to know it.
I don’t look back, I keep moving forward.
There is no failure except in no longer trying.
如果我们致力于正确的技术，可持续的煤炭行业是可能的。
人人都称赞的书，恰恰是没人读的书。