The Sufficient (Vol 2) · Hadith 2304 (#Ḥadīth #7)
Chapter 24 | Rights of Neighbors
7ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ عَنْ أَبِيهِ عَنْ سَعْدَانَ عَنْ أَبِي مَسْعُودٍ قَالَ قَالَ لِي أَبُو عَبْدِ الله (عَلَيهِ السَّلام) حُسْنُ الْجِوَارِ زِيَادَةٌ فِي الأعْمَارِ وَعِمَارَةُ الدِّيَارِ.
7. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from his father from Sa’dan from abu Mas’ud who has said the following: “Abu ‘Abd Allah once said to me, ‘Maintaining good neighborly relations increases one’s life span and the development of the country.”’
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).