‘Write from Baqiyyah what he transmits on authority of those who are well-known, and do not write from him what he transmits on authority of those who are not; do not write from Ismā’īl bin Ayyāsh what he transmits on authority of those who are well-known or otherwise ’.
قَالَ لِي أَبُو إِسْحَاقَ الْفَزَارِيُّ اكْتُبْ عَنْ بَقِيَّةَ مَا رَوَى عَنِ الْمَعْرُوفِينَ وَلاَ تَكْتُبْ عَنْهُ مَا رَوَى عَنْ غَيْرِ الْمَعْرُوفِينَ وَلاَ تَكْتُبْ عَنْ إِسْمَاعِيلَ بْنِ عَيَّاشٍ مَا رَوَى عَنِ الْمَعْرُوفِينَ وَلاَ عَنْ غَيْرِهِمْ