The world needs energy, but it needs responsible energy more than ever.

To say something is to perform an action， and to perform an action is to do something with words.

世界不是游乐场，而是思想和利益的战场。

心灵这张地图，给我们指引前方的道路，而外貌这张地图，则记录我们走过的路途。这张地图从来都不丑陋。