حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، وَأَحْمَدُ بْنُ مُحَمَّدٍ الْمَرْوَزِيُّ، وَابْنُ السَّرْحِ، قَالُوا حَدَّثَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، - قَالَ قُتَيْبَةُ فِيهِ - عَنِ ابْنِ عَبَّاسٍ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم لاَ يَعْرِفُ فَصْلَ السُّورَةِ حَتَّى تُنَزَّلَ عَلَيْهِ ‏ end actual hadith container 0‏ ‏.‏ وَهَذَا لَفْظُ ابْنِ السَّرْحِ ‏.‏

Ibn Abbas said: The prophet (PBUH) did not distinguish between the two surahs until the words “In the name of Allah, the Compassionate, the merciful” was revealed to him. These are the words of Ibn al-sarh. Translation Not Available

Book Ref: Sunan Abi Dawud Book 2 Hadith 788
Web Ref:  Sunan Abi Dawud Book 2 Hadith 787

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