《元史·列传·卷四十四》
元世祖即位之前，海云禅师奉召，路过云中时闻秉忠博学多才，邀与同行。拜见世祖后，世祖甚为称赞，多次垂询。秉忠于书无所不读，尤其深入研究《易经》及宋邵氏《经世书》，至于天文、地理、律历、占卜无不精通，天下事了如指掌。
秉忠于书无所不读，尤邃于《易》及邵氏《经世书》，至于天文、地理、律历、三式六壬遁甲之属，无不精通。论天下事如指诸掌。
Before the enthronement of Kublai Khan, Chan Master Haiyun was summoned. When he passed by Yunzhong, he heard about Zhang Bingzhong's erudite knowledge and invited him to accompany him. After meeting with Kublai Khan, the emperor praised him greatly and asked him for advice many times. Bingzhong read everything he could, especially studying the "Book of Changes" and Shao Yong's "Classic of Statecraft." He became proficient in astronomy, geography, calendar, and divination, and knew all about the affairs of the world like the back of his hand.