《魏书·列传·卷七十九》
到了孔子整理修定《六经》，左丘明阐述《春秋》，都是用古文字，其中的意思人们都可以领会并陈说。
至孔子定《六经》，左丘明述《春秋》，皆以古文，厥意可得而言。
When Confucius collated and revised the "Six Classics", Zuo Qiuming expounded the "Spring and Autumn Annals". They all used ancient characters, and their meanings could be understood and expounded by people.