True leadership is about creating more leaders, not just followers.
真正的领导力是创造更多领导者，而不仅仅是追随者。
The world we see that seems so insane is the result of a belief system that is not working.
I don't compete with anyone but myself. My goal is to be better than I was yesterday.
可持续发展不是选择，而是煤炭行业的必然要求。
The stock market is a giant distraction to the business of investing.
市场是一位伟大的老师，但它收取高昂的学费。