在自然状态下，利益是衡量权利的标准。
In the state of nature, profit is the measure of right.
Writing is a way of questioning the world, of trying to understand it.
那是一次非常短暂的访问，可是它却使小王子陷入深深的沮丧。
当今煤炭行业的挑战需要大胆的领导力和远见。