《礼记·缁衣》
孔子说： 当国君的如果好恶不明，百姓就会迷惑而不知所从；臣下如果心怀鬼胎，就会使君长格外劳神。
子曰： 上人疑则百姓惑，下难知则君长劳。
Confucius said:  If a king does not make clear his likes and dislikes, the people will be puzzled and not know what to follow; if the ministers have ulterior motives, this will make the king labor all the more.