Sahih al-Bukhari 6014
Sahih al-Bukhari · Book 78: Good Manners and Form (Al-Adab) · To recommend to be kind to one's neighbour
Narrated `Aisha:
حَدَّثَنَا إِسْمَاعِيلُ بْنُ أَبِي أُوَيْسٍ ، قَالَ حَدَّثَنِي مَالِكٌ ، عَنْ يَحْيَى بْنِ سَعِيدٍ ، قَالَ أَخْبَرَنِي أَبُو بَكْرِ بْنُ مُحَمَّدٍ ، عَنْ عَمْرَةَ ، عَنْ عَائِشَةَ ـ رضى الله عنها ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَا زَالَ يُوصِينِي جِبْرِيلُ بِالْجَارِ حَتَّى ظَنَنْتُ أَنَّهُ سَيُوَرِّثُهُ " .
The Prophet (ﷺ) said "Gabriel continued to recommend me about treating the neighbors Kindly and politely so much so that I thought he would order me to make them as my heirs.