Sahih (Sahih Muslim)
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَأَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ وَعَمْرٌو النَّاقِدُ وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ عَنْ سُفْيَانَ، عَنِ الزُّهْرِيِّ، بِهَذَا الإِسْنَادِ . مِثْلَهُ . قَالَ يَحْيَى قَالَ سُفْيَانُ لاَ أَدْرِي مِنْ قَوْلِ مَنْ هُوَ يَعْنِي وَكَانَ يُؤْخَذُ بِالآخِرِ مِنْ قَوْلِ رَسُولِ اللَّهِ صلى الله عليه وسلم .
This hadith is narrated on the authority of Zuhri with the same chain of transmitters. Yahya (one of the narrators) said that Sufyan (the narrator) had stated:I do not know whose statement it is:" It is the last word of the Messenger of Allah (ﷺ) which is accepted as (final as it abrogates the previous ones)