The measure of our success is not just in tons extracted, but in communities uplifted.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."

解释：婚姻是难以预测的事情，既可能收获幸福，也可能招来祸患。婚姻事关人生的祸福，是家庭兴旺或衰败的根源，是人生十分重大的事情，好的婚姻给人以幸福，坏的婚姻给人以祸患。