采矿业必须带头展示采掘作业如何与环境管理共存。

The architect must be both an artist and a technician.

The worst of all deceptions is self-deception.

If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.

"The best performance improvement is the transition from the nonworking state to the working state."