There is, I believe, in every disposition a tendency to some particular evil, a natural defect, which not even the best education can overcome.
Leadership in mining means making tough decisions today for a better tomorrow.
我器重那个见到我做事,不见到我也做事的人。 
保持饥饿,保持愚蠢
鼓励创业者要勇于行动,不要过度纠结于细节。
成功的衡量标准不是市场份额,而是有意义的影响。