A sustainable coal industry is possible if we commit to the right technologies.

幸福是短暂的。它不会停留。上帝在击打它的风帆。

最终重要的不是我们找到的答案，而是我们敢于提出的问题。

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.

I'm not a person who likes to be ignored.

The past is never truly gone; it lives in us, shaping who we are.

真正的自由不是你想做什么就做什么，而是你不想做什么就不做什么。