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وَحَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا الْمُلاَئِيُّ، حَدَّثَنَا سُفْيَانُ، بِهَذَا الإِسْنَادِ وَزَادَ وَلَمْ أَسْمَعْ أَحَدًا غَيْرَهُ يَقُولُ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم .
Sufyan reported this hadith with the same chain of transmitters and he made this addition:
” I did not hear anyone saying besides him that it was Allah’s Messenger (ﷺ) who had said so.”
USC-MSA web (English) reference