In mining, you don't find success by digging in the same hole forever - innovation is our lifeline.

Quality should never be compromised, even in the face of challenges.

Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.

能源转型不仅仅是取代煤炭的可再生能源，而是确保工人和社区的公正转型。

政治学的大问题，是找到一种将法律置于人之上的政治形式，这个问题之难，可以与几何学中将圆变方的问题相媲美。

我们都比我们想象的要多得多。