王勃
But there are still some negative comments of Wang Bo and his article, in Du Fu’s poem as mentioned before, he states that the Four paragons of Early Tang’s work are "frivolous and shallow"(轻薄). This criticize was caused by Wang Bo killed a servant called Cao Da, that is a mistake that cannot really accept by the government. In Jiu Tangshu(旧唐书), Wang Bo’s biograph, comments was outlined as "bombastic, impetuous, shallow, and flaunting" (浮躁浅露).Wen Yiduo(闻一多), a Chinese famous scholar had explained "frivolous and shallow" of Wang Bo and Four paragons of Early Tang like that: "Because their behavior and conduct were romantic, they suffered from all the mockery and denunciation of others."