Sunan Ibn Majah 2684
سنن ابن ماجه#2684Sahihحَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعِيدٍ الْجَوْهَرِيُّ، حَدَّثَنَا أَنَسُ بْنُ عِيَاضٍ أَبُو ضَمْرَةَ، عَنْ عَبْدِ السَّلاَمِ بْنِ أَبِي الْجَنُوبِ، عَنِ الْحَسَنِ، عَنْ مَعْقِلِ بْنِ يَسَارٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْمُسْلِمُونَ يَدٌ عَلَى مَنْ سِوَاهُمْ وَتَتَكَافَأُ دِمَاؤُهُمْ " .
It was narrated from Ma'qil bin Yasar that the Messenger of Allah (ﷺ) said:“The Muslims are one hand against others, and their blood is equal.”
Scholarly Authentication
The label above is the grade most of these scholars gave — 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. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih Lighairihi
Zubair Ali ZaiSahih
In-book reference: 21:70