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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
abudawud:4302 – ʿĪsá b. Muḥammad al-Ramlī > Ḍamrah > al-Saybānī > Abū Sukaynah a man from al-Muḥarrarīn

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.  

أبو داود:٤٣٠٢ – حَدَّثَنَا عِيسَى بْنُ مُحَمَّدٍ الرَّمْلِيُّ حَدَّثَنَا ضَمْرَةُ عَنِ السَّيْبَانِيِّ عَنْ أَبِي سُكَيْنَةَ رَجُلٍ مِنَ الْمُحَرَّرِينَ

عَنْ رَجُلٍ مِنْ أَصْحَابِ النَّبِيِّ ﷺ عَنِ النَّبِيِّ ﷺ أَنَّهُ قَالَ دَعُوا الْحَبَشَةَ مَا وَدَعُوكُمْ وَاتْرُكُوا التُّرْكَ مَا تَرَكُوكُمْ  

See similar narrations below:

Collected by Bayhaqī, Suyūṭī
bayhaqi:18597 – Abū ʿAlī al-Rūdhbārī > Muḥammad b. Bakr > Abū Dāwud > ʿĪsá b. Muḥammad al-Ramlī > Ḍamrah > al-Shaybānī > Abū Sakīnah a man from al-Muḥarrarīn > a man

The Prophet ﷺ said: Leave the Abyssinians alone as long as they leave you alone and let the Turks alone as long as they leave you alone.  

البيهقي:١٨٥٩٧ – أَخْبَرَنَا أَبُو عَلِيٍّ الرُّوذْبَارِيُّ أنبأ مُحَمَّدُ بْنُ بَكْرٍ ثنا أَبُو دَاوُدَ ثنا عِيسَى بْنُ مُحَمَّدٍ الرَّمْلِيُّ ثنا ضَمْرَةُ عَنِ الشَّيْبَانِيِّ عَنْ أَبِي سَكِينَةَ رَجُلٌ مِنَ الْمُحَرَّرِينَ عَنْ رَجُلٍ مِنْ أَصْحَابِ النَّبِيِّ ﷺ أَنَّهُ قَالَ

قَالَ دَعُوا الْحَبَشَةَ مَا وَدَعُوكُمْ وَاتْرُكُوا التُّرْكَ مَا تَرَكُوكُمْ