Sunan an-Nasa'i 3989
سنن النسائي#3989Hasanأَخْبَرَنَا عَمْرُو بْنُ هِشَامٍ، قَالَ حَدَّثَنَا مَخْلَدُ بْنُ يَزِيدَ، عَنْ سُفْيَانَ، عَنْ مَنْصُورٍ، عَنْ يَعْلَى بْنِ عَطَاءٍ، عَنْ أَبِيهِ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو، قَالَ قَتْلُ الْمُؤْمِنِ أَعْظَمُ عِنْدَ اللَّهِ مِنْ زَوَالِ الدُّنْيَا .
It was narrated that 'Abdullah bin 'Amr said:"Killing a believer is more grievous before Allah than the extinction of the whole world
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu Ghuddah-
Zubair Ali ZaiHasan
In-book reference: 37:24