"The most beautiful things are the ones we don't understand."

If you just set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing.

"Hope is the only thing stronger than fear."

采矿业必须带头展示采掘作业如何与环境管理共存。

No one had ever had such a friend, so affectionate,so loyal and so skillful.

如果一个问题无法解决，那就扩大它的范围。