Sunan an-Nasa'i 4735
سنن النسائي#4735Sahihأَخْبَرَنِي أَبُو بَكْرِ بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا الْقَوَارِيرِيُّ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الْوَاحِدِ، قَالَ حَدَّثَنَا عُمَرُ بْنُ عَامِرٍ، عَنْ قَتَادَةَ، عَنْ أَبِي حَسَّانَ، عَنْ عَلِيٍّ، رضى الله عنه أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " الْمُؤْمِنُونَ تَكَافَأُ دِمَاؤُهُمْ وَهُمْ يَدٌ عَلَى مَنْ سِوَاهُمْ يَسْعَى بِذِمَّتِهِمْ أَدْنَاهُمْ لاَ يُقْتَلُ مُؤْمِنٌ بِكَافِرٍ وَلاَ ذُو عَهْدٍ فِي عَهْدِهِ " .
It was narrated from 'Ali, may Allah be please with him that the Prophet said:"The lives of the believers are equal in value, and they are one against others, and they hasten to support the asylum granted by the least of them. But no believer may be killed in return for a disbeliever, nor one with a covenant while his covenant is in effect
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 45:30