《晋书·志·第一章》
世世代代相传，史官严守秘密，学者没有看到过，所以宣夜说、盖天说兴旺流行，声势猛烈。
绵代相传，史官禁密，学者不睹，故宣、盖沸腾。
From generation to generation, the official historians have kept strict secrecy, and scholars have not seen it, so Xuan Ye's theory and Gai Tian's theory have been popular and powerful.