《资治通鉴·齐纪·齐纪二》
孝文帝说： 慕容契知道人心是不可能不变的，就一定知道贪婪是令人厌恶的，你何必请求辞职呢！ 
魏主曰： 契知心不可常，则知贪之可恶矣，何必求退！ 
Emperor Xiaowen said: "Murong Qi knows that the human heart is impossible to be unchanged, so he must know that greed is disgusting. Why do you need to ask to resign?"