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In mining, efficiency and environmental care must go hand in hand.

Vote for the man who promises least; he'll be the least disappointing.

I think the most important thing in life is to be honest with yourself and with others.

I always tell my students that it's okay to make mistakes, as long as you learn from them.

釋義：美麗的彩云容易消散，明亮的圓月難得圓滿。