《北史·列传·卷四十三》
《左氏春秋》一书，详细地叙述一代史实，邪恶的人可以用来警戒自己，善良的人可以察觉自己微小的过失。
左氏之书，备叙言事，恶者可以自戒，善者可以庶几。
The Book of Zuo Zhuan Spring and Autumn Annals gives a detailed account of the history of a generation. Evil people can use it to warn themselves, and good people can use it to recognize their own minor faults.