BUKHARI 2463: from Abū Hurayrah —
Abu Huraira said, "Messenger of Allah ﷺ said, 'No one should prevent his neighbor from fixing a wooden peg in his wall." Abu Huraira said (to his companions), "Why do I find you averse to it? By Allah, I certainly will narrate it to you."

البخاري ٢٤٦٣: عن ابو هريره —
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يَمْنَعُ جَارٌ جَارَهُ أَنْ يَغْرِزَ خَشَبَهُ فِي جِدَارِهِ ثُمَّ يَقُولُ أَبُو هُرَيْرَةَ مَا لِي أَرَاكُمْ عَنْهَا مُعْرِضِينَ وَاللَّهِ لأَرْمِيَنَّ بِهَا بَيْنَ أَكْتَافِكُمْ


Agreed Upon (Luʿluʿ wa-al-Marjān)
Bukhārī > Oppressions > § Not to prevent a neighbour from fixing a peg
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