AHMAD 4561: from Ibn ʿUmar —

Do not enter but weepingly (the habitations) of these people who had been punished by (Allah), and in case you do not feel inclined to weep, then do not enter (these habitations) that you may not meet the same calamity as had fallen to their lot. (Using translation from Muslim 2980a)

أحمد ٤٥٦١: عن ابن عمر —

عَنِ النَّبِيِّ ﷺ قَالَ لَا تَدْخُلُوا عَلَى هَؤُلَاءِ الْقَوْمِ الَّذِينَ عُذِّبُوا إِلَّا أَنْ تَكُونُوا بَاكِينَ فَإِنْ لَمْ تَكُونُوا بَاكِينَ فَلَاتَدْخُلُوا عَلَيْهِمْ فَإِنِّي أَخَافُ أَنْ يُصِيبَكُمْ مِثْلُ مَا أَصَابَهُمْ


Sound Chain (Arnaʾūṭ)
Aḥmad > ʿAbdullāh b. ʿUmar ؓ
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