《北史·列传·卷六十九》
隋炀帝即位，重新开设学校，国子和郡县的学校，比开皇初年还要兴盛。
炀帝即位，复开庠序，国子、郡县之学，盛于开皇之初。
Emperor Yang of Sui ascended the throne and reopened schools, and the schools in the Imperial College and the counties were even more prosperous than in the early years of the Kaihuang era.