Musnad Ahmad 560:1

Sa'id ibn Mansur narrated to us, Shihab ibn Khurash ibn Hawshab narrated to us, Shu'ayb ibn Ruzayq al-Ta'ifi narrated to us, he said: I sat with a man who had companionship with the Prophet, may Allah bless him and grant him peace, who was called al-Hakam ibn Hazn al-Kalfi. He began to narrate, and he mentioned its meaning.