《魏书·列传·卷七十九》
少年时聪敏，喜爱阴阳术数，曾游学四方，通晓九章、七曜。
少聪敏，好阴阳术数，游学诸方，达《九章》、《七曜》。
He was intelligent since childhood, and he loved astronomy and calendar calculations. He traveled to various places to study, and he was proficient in the Nine Chapters and Seven Lights.