《魏书·列传·卷九》
世宗又以家人身份写信给元勰说： 元恪谨述：使者奉命返回报告，叔父仍然坚持淡泊情怀，我实在昏昧少德行，施政方略多有错缪，匡正辅佐的寄托，仰赖尊贵的亲人。
世宗又修家人书于勰曰： 恪言：奉还告承，犹执冲逊，恪实暗寡，政术多秕，匡弼之寄，仰属亲尊。
Later, Emperor Shizong wrote to Yuan Xie in the name of a family member, saying: Yuan Ke presents with caution: the messenger returned to report upon his orders, uncle still persists in a carefree and detached sentiment, I am truly muddleheaded and lacking in virtue, there are many mistakes in the plan of governance, the hope of correcting and assisting lies with my esteemed relative.