The world won't remember what you say, but it will never forget what you do.

He can say to himself, "Somewhere, my flower is there…" But if the sheep eats the flower, in one moment all his stars will be darkened… And you think that is not important!

过多地粉饰命定之说，用来教育广大的愚昧朴实的民众。 

可持续发展需要在经济增长与环境保护之间取得平衡。

技术是实现能源生产更清洁、更易获取的重要平衡器。