一个人的好名声不是轻而易举就能够得到的;名誉也不是靠欺诈伪装的手段来赢得的。
I think it's important to be able to have a sense of humor about life.
We have always been a company that is driven by ideas and innovation, not by hierarchy or tradition.
Technology is transforming coal mining from a brute force industry to a precision operation.
The most powerful tool for change is knowledge, rigorously pursued and widely shared.