《资治通鉴·齐纪·齐纪一》
刘宋升明年间，顺帝派遣使者殷灵诞、苟昭先前往北魏。得知南齐高帝接受帝位禅让以后，殷灵诞便对北魏的典客官说： 宋、魏通问修好，一方的忧患就是另一方的忧患。
宋升明中，遣使者殷灵诞、苟昭先如魏，闻上受禅，灵诞谓魏典客曰： 宋、魏通好，忧患是同。
During the Liu Song ascension, Emperor Shundi sent envoys Yin Lingdan and Gou Zhaoxian to Northern Wei. After learning that Emperor Gao of Southern Qi had accepted the emperor's abdication, Yin Lingdan said to the hospitality official of Northern Wei: The friendship between Song and Wei is like that between brothers. What happens to one country is also a worry to the other country.