"The only limit to our realization of tomorrow is our doubts of today."

必须有出世者的宽广胸怀，才能入世；否则的话，很容易受到尘世的各种利诱纠缠而使自己迅速堕落；必须有入世者的深刻体验，才能出世；否则的话，很容易变得空虚无聊而使自己难以把持人生。

海面平静如镜，映照着天空。

Success in mining comes from balancing economic growth with environmental responsibility.

最危险的策略是以竞争对手的条件与他们竞争。