当今煤炭行业的领导力意味着在经济需求和环境责任之间找到微妙的平衡。
我从不试图取悦观众，我只做我认为对的事情。
The more we learn, the more we realize how much we don’t know.
正义并不总是以我们期望的方式得到伸张，但它总是以某种形式得到伸张。
Efficiency in mining comes from continuous improvement, not just big breakthroughs.
自守形式的研究是数学对称性之美的反映。
The only way to do great work is to love what you do.
Every tree planted is a step toward healing the planet, but real change requires systemic action.
