《五代史·冯道传论》曰:“‘礼义廉耻,国之四维。四维不张,国乃灭亡。’善乎,管生之能言也!礼义,治人之大法;廉耻,立人之大节。盖不廉则无所不取,不耻则无所不为。人而如此,则祸败乱亡亦无所不至。况为大臣,而无所不取,无所不为,则天下其有不乱,国家其有不亡者乎!”然而四者之中,耻尤为要。故夫子之论士,曰:“行己有耻。”孟子曰:“人不可以无耻。无耻之耻,无耻矣。”又 “History of the Five Dynasties · Feng Daochuan” said: “righteousness and honor, the four-dimensional. Four-dimensional non-Zhang, the country is perishing. Festival. Cover is not cheap is omnipotent, shameless is omnipresent .However, the devastation is also endless .As state minister, and omnipresent, omnipotent, the world has chaos, the state has Do not die who care! ”However, among the four, shame is particularly necessary. Therefore, the Confucian scholar, said: “Men have shame. ” Mencius said: “people can not shameless shameless shameless. ”