Sunan Abi Dawud 4302
سنن أبي داود#4302Hasanحَدَّثَنَا عِيسَى بْنُ مُحَمَّدٍ الرَّمْلِيُّ، حَدَّثَنَا ضَمْرَةُ، عَنِ السَّيْبَانِيِّ، عَنْ أَبِي سُكَيْنَةَ، - رَجُلٍ مِنَ الْمُحَرَّرِينَ - عَنْ رَجُلٍ، مِنْ أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ قَالَ " دَعُوا الْحَبَشَةَ مَا وَدَعُوكُمْ وَاتْرُكُوا التُّرْكَ مَا تَرَكُوكُمْ " .
Narrated from Abi Sukainah One of the Companions: The Prophet (ﷺ) said: Let the Abyssinians alone as long as they let you alone, and let the Turks alone as long as they leave you alone
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: 39:12