歷代三寶紀 3.208

3.208

（丙申）十五（勅沙門寶唱。撰經律異相五十卷。優婁頻經一卷木道賢出）　　　孝明立（宣武子。改熙平元。造永寧寺。遣沙門慧生使西域取經。凡七年還。得經論一百七十部。并行於世）

(Bingshen), year 15 (an imperial decree ordered the śramaṇa Baochang to compile the Jinglü yixiang in fifty fascicles; the one-fascicle Youloupin jing was produced by Mu Daoxian); Northern Wei: Emperor Xiaoming ascended the throne (son of Xuanwu; changed the era to Xiping, year 1; built Yongning Monastery; dispatched the śramaṇa Huisheng on a mission to the Western Regions to obtain scriptures; he returned after a total of seven years, obtaining 170 texts of scriptures and treatises, which all circulated in the world).