When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

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

采矿业的领导力意味着将安全、效率和社区长期影响置于首位。

我的作品不是要让人看懂，而是要让人感受到。

我永远相信，只要坚持，没有什么是做不到的。