领导力不在于掌控，而在于照顾那些你负责的人。
Leadership is not about being in charge; it’s about taking care of those in your charge.
过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。
Mining with integrity means leaving the land better than we found it.
世界充满了神奇的东西，它们在耐心地等待我们变得更有智慧。
希望是心灵的灯塔。