The most sustainable mines are those that think beyond extraction.

强调持续进步的重要性。

我不知道你是否清楚自己是个怎样的人，直到你迷失了自我。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

质量不是一种行为，而是一种习惯。