《水经注·卷十六》
《学记》说：古时家庭有私塾，一党之中有库，一遂之中有序，国家则有国学。
《学记》曰：古者，家有塾，党有痒，遂有序，国有学。
The 《Xueji》 says: In ancient times, there were private schools in the homes, and there were kus in every party and xus in every sui. The country had national academies.