Sunan Abi Dawud 4834
سنن أبي داود#4834Sahihحَدَّثَنَا هَارُونُ بْنُ زَيْدِ بْنِ أَبِي الزَّرْقَاءِ، حَدَّثَنَا أَبِي، حَدَّثَنَا جَعْفَرٌ، - يَعْنِي ابْنَ بُرْقَانَ - عَنْ يَزِيدَ، - يَعْنِي ابْنَ الأَصَمِّ - عَنْ أَبِي هُرَيْرَةَ، يَرْفَعُهُ قَالَ " الأَرْوَاحُ جُنُودٌ مُجَنَّدَةٌ فَمَا تَعَارَفَ مِنْهَا ائْتَلَفَ وَمَا تَنَاكَرَ مِنْهَا اخْتَلَفَ " .
Abu Hurairah reported the Prophet (ﷺ) as saying:The spirits are in marshaled hosts; those who know one another will be friendly, and those who do not, will keep apart
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:
In-book reference: 43:62