أَخْبَرَنَا عَفَّانُ ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ الْقَطَّانُ ، حَدَّثَنَا سُفْيَانُ ، عَنْ مَنْصُورٍ ، قَالَ : قُلْتُ لِإِبْرَاهِيمَ : إِنَّ سَالِمًا أَتَمُّ مِنْكَ حَدِيثًا؟ قَالَ :" إِنَّ سَالِمًا كَانَ يَكْتُبُ "

Affan told us, Yahya bin Saeed Al-Qattan told us, Sufyan told us, on the authority of Mansour, he said: I said to Ibrahim: Indeed, I am safe and sound, more complete than you. Recently? He said: “Verily, Salim was writing.”