《北史·列传·卷三十一》
当时，朝廷下诏营建明堂和国学，郭祚上奏说： 现在，皇家的节仗向西挥动，开辟了岷、蜀一带；军队东进，平定了淮、荆大片土地；汉、沔之间，仍需加强防御。
时诏营明堂、国学，祚奏曰： 今云罗西举，开纳岷、蜀；戎旗东指，镇靖淮、荆；汉、沔之间，复须防捍。
At that time, the imperial court issued an edict to build Mingtang and Guoxue, and Guo Zuo said: Now, the emperor's festival is waving westward, opening up the Min and Shu areas; the army is advancing eastward, pacifying the vast Huai and Jing areas; Between Han and Mian, it still needs to be strengthened.