In mathematics, you don't understand things. You just get used to them.
Innovation distinguishes between a leader and a follower.
【译文】 孔子说:“我想不说话。”子贡说:“您如果不说话,谁教我们呢?”孔子说:“天说过什么?天不说话,照样四季运行,百物生长,天说过什么?”