《论语·宪问篇》
孔子说： 郑国发表的公文，都是由裨谌起草的，世叔研究评论，外交官子羽加以修饰，由子产作最后修改润色。 
子曰： 为命，裨谌草创之，世叔讨论之，行人子羽修饰之，东里子产润色之。 
Confucius said: "The official documents issued by the State of Zheng were drafted by Bichen, commented by Shishu, revised by the diplomat Zifu, and finally revised by Zichan.