《北史·列传·卷五十八》
常常把诵读书籍作为自己的事情，精力旺盛，不知疲惫，虽然缺吃少穿，亦怡然自得。
每以讽读为事，精力忘疲，虽衣食乏绝，晏如也。
He often made reciting books his business, had plenty of energy and never tired, even though he lacked food and clothing and was very content.