I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up and boy does that help, particularly when you have a long run ahead of you.

言语有力量，但沉默可能更有力量。

矿业社区应该得到的不仅仅是临时工作—他们应该得到可持续的未来。

伟大的领导者不创造追随者，而是创造更多领导者。