《五代史·冯道传》论曰：“礼义廉耻，国之四维，四维不张，国乃灭亡。”
《五代史·馮道傳》論曰：“禮義廉恥，國之四維，四維不張，國乃滅亡。”
“ wǔ dài shǐ féng dào zhuàn ” lùn yuē ： “ lǐ yì lián chǐ ， guó zhī sì wéi ， sì wéi bù zhāng ， guó nǎi miè wáng ． ”
Historical Records of the Five Dynasties: Biography of Feng Dao states, "Propriety, justice, integrity and a sense of shame are the four cardinal principles of a state; if the four cardinal principles are not upheld, the country will perish."