《资治通鉴·梁纪·梁纪十二》
武卫将军云中人独孤信单人匹马追赶孝武帝。孝武帝感叹地说道： 将军你辞别父母，舍弃妻子而来，有言道： 世道大乱的时候能够识别出忠臣 ，这可不是瞎话呀！ 
武卫将军云中独孤信单骑追帝，帝叹曰： 将军辞父母、捐妻子而来， 世乱识忠臣 ，岂虚言也！ 
General of the Imperial Guards from Yunzhong, Dugu Xin, chased after Emperor Xiaowu of Northern Wei single-handedly. Emperor Xiaowu of Northern Wei sighed and said: General, you bid farewell to your parents and abandoned your wife and came, and the saying goes: In great chaos one can recognize loyal subjects, this is not nonsense!