When we measure forest success only in board feet, we miss the forest for the trees.
当我们仅用板英尺来衡量森林的成功时，我们就只见树木不见森林了。
Life is measured by thought and action，not by time.
The truth is, we are all barbarians.
有时候要大胆，有时候要小心，一个聪明人知道什么时候该怎么做。
Men become old, but they never become good.
加强国际合作，推动煤炭行业技术和管理水平的提升。