《资治通鉴·梁纪·梁纪八》
徐纥劝胡太后派人持铁券离间尔朱荣的部下，尔朱荣听说后，很忌恨徐纥。
徐纥说太后以铁券间荣左右，荣闻而恨之。
Xu He advised Empress Hu to send someone holding an iron certificate to sow discord among Younuru Rong's subordinates, and when Younuru Rong heard this, he greatly resented Xu He.