We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.

最好的肥料是园丁的影子。

数学直觉就像肌肉一样 - 通过锻炼会变得更强大。

合规是底线，不是天花板。

Democracy... while it lasts is more bloody than either aristocracy or monarchy. Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There is never a democracy that did not commit suicide.

——《北上宣言》，1924年11月

These walls are funny.First you hate them,then you get used to them;Enough time passes,gets so you depend on them.That's institutionalized.

Safety must always come first in mining operations.

这个行业最好的领导者是那些既懂岩石又懂人的人。