四不猴（Four monkeys）源自孔子（Confuciu），代表著作《论语》（Analects of Confucius）

非礼勿视，非礼勿听，非礼勿言，非礼勿动。

Look not at what is contrary to propriety; listen not to what is contrary to propriety; speak not what is contrary to propriety; make no movement which is contrary to propriety.

不符合礼的不看，不符合礼的不听，不符合礼的不说，不符合礼的不做。