“真的、善的、美的东西总是在同假的、恶的、丑的东西相比较而存在,相斗争而发展的。”(毛泽东《关于正确处理人民内部矛盾的问题》) “优良的人物,有时候要靠别种人来比较、衬托的,例如上等与下等,好与坏,雅与俗,小器与大度之类,没有别人,即无以显出这一面之优,所谓相反而相成者,就是这。”(鲁迅《论俗人应避雅人》) “True, good, beautiful things always develop in the struggle against fake, evil, and ugliness.” (Mao Zedong’s “On Correct Handling of Contradictions among the People”) “Excellent People, sometimes rely on other people to compare, set off, such as first-class and inferior, good and bad, elegant and vulgar, small devices and generous, no one else, that is not to show that this excellent , The so-called opposite of those who are, is this. ”(Lu Xun“ On the lay people should avoid Ya ”)