《汉书·传·王贡两龚鲍传》
就是因为舍弃了法度而放纵私欲，奢侈风行而仁义消亡。
以其舍法度而任私意，奢侈行而仁义废也。
The reason is that the people have abandoned the law and indulged their selfish desires, extravagance has become the rule, and morality has disappeared.