The Book of Jihad and Expeditions
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَلِيُّ بْنُ مُسْهِرٍ، وَوَكِيعٌ، عَنْ زَكَرِيَّاءَ، عَنِ الشَّعْبِيِّ، قَالَ أَخْبَرَنِي عَبْدُ اللَّهِ بْنُ مُطِيعٍ، عَنْ أَبِيهِ، قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ يَوْمَ فَتْحِ مَكَّةَ " لاَ يُقْتَلُ قُرَشِيٌّ صَبْرًا بَعْدَ هَذَا الْيَوْمِ إِلَى يَوْمِ الْقِيَامَةِ " .It has been narrated on the authority of Abdullah b. Muti' who heard from his father and said:I heard the Prophet (ﷺ) say on the day of the Conquest of Mecca: No Quraishite will be killed hound hand and foot from this day until the Day of judgment
From Sahih Muslim, whose reports the scholars accept as authentic.