[Machine] The Prophet ﷺ said, "Gabriel advised me regarding the neighbor until I thought that he would make him eligible for inheritance. He advised me about the neighbor so much that I began to think that he would ask for a portion of his inheritance." Isma'il said from right to left, in front of him and behind him in these two chains is a weak narration. It is only known from the hadith of Ibn Shihab Az-Zuhri from the Prophet ﷺ, in which he is Mursal (a type of narration in which a Tabi'i directly quotes the Prophet). He said, "A neighbor for forty houses." Ibn Shihab was asked, "How can it be forty houses?" He said, "Forty from his right, forty from his left, behind him, and in front of him." Abu Dawud reported it with this chain from Az-Zuhri in the Marasil (plural of Mursal).  

النَّبِيَّ ﷺ قَالَ أَوْصَانِي جِبْرِيلُ عَلَيْهِ السَّلَامُ بِالْجَارِ إِلَى أَرْبَعِينَ دَارًا عَشَرَةً مِنْ هَا هُنَا وَعَشَرَةً مِنْ هَا هُنَا وَعَشَرَةً مِنْ هَا هُنَا وَعَشَرَةً مِنْ هَا هُنَا قَالَ إِسْمَاعِيلُ عَنْ يَمِينِهِ وَعَنْ يَسَارِهِ وَقُبَالَهُ وَخَلْفَهُ فِي هَذَيْنِ الْإِسْنَادَيْنِ ضَعْفٌ وَإِنَّمَا يُعْرَفُ مِنْ حَدِيثِ ابْنِ شِهَابٍ الزُّهْرِيِّ عَنِ النَّبِيِّ ﷺ مُرْسَلًا أَرْبَعِينَ دَارًا جَارٌ قِيلَ لِابْنِ شِهَابٍ وَكَيْفَ أَرْبَعِينَ دَارًا؟ قَالَ أَرْبَعِينَ عَنْ يَمِينِهِ وَعَنْ يَسَارِهِ وَخَلْفَهُ وَبَيْنَ يَدَيْهِ أَوْرَدَهُ أَبُو دَاوُدَ بِإِسْنَادِهِ عَنِ الزُّهْرِيِّ فِي الْمَرَاسِيلِ