Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.

人生苦短，必须快乐。

"The only thing that one really knows about human nature is that it changes."

I don't believe in luck. I believe in hard work and persistence.

第一步是确定某事是可能的；然后概率就会发生。

认为世界上只有一种真理，而自己恰好掌握了它，在我看来这是世界上一切邪恶的最深根源。

我一直相信，如果你投入工作，结果就会到来。