可持续发展对我们来说不仅仅是一个流行词，它是我们运营的基础。
Every day confirms his belief of the inconsistency of all human characters, and of the little dependence that can be placed on the appearance of merit or sense.
Liberty consists in doing what one desires.
永远不要停止学习；一旦停止，你就会开始落后。
The future of democracy depends on the ability of democratic societies to reform themselves.