《魏书·列传·卷三》
元悦外表和蔼内心狠毒。太祖时常因桓王为国事而死，特地加以亲近宠信。
悦外和内佷，太祖常以桓王死王事，特加亲宠。
Yuan Yue had an amiable appearance but a cruel soul. The Great Ancestor had often felt that Prince Huan had died for the sake of the nation, and specially favored and trusted him.