[Machine] "I found in a book written by my father, and I have the greatest knowledge that I heard it from him, that Ali ibn Abdullah narrated to us, who narrated to us Nasih ibn al-Ala', who is also known as Abu al-Ala', the freed slave of Banu Hashim, who narrated to us Ammar ibn Abi Ammar, the freed slave of Banu Hashim, that he passed by Abdur Rahman ibn Samurah while he was at the banks of Umm Abdulah, and the water was flowing with his slave girl and his followers. Ammar said to him, 'O Aba Sa'id, it is Friday.' Abdur Rahman ibn Samurah replied, 'The Messenger of Allah ﷺ used to say, 'When it is a day of rainy downpour, let one of you perform the prayer in his house.''  

وَجَدْتُ فِي كِتَابِ أَبِي بِخَطِّ يَدِهِ وَأَكْبَرُ عِلْمِي أَنِّي قَدْ سَمِعْتُهُ مِنْهُ حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللهِ حَدَّثَنَا نَاصِحُ بْنُ الْعَلَاءِ أَبُو الْعَلَاءِ مَوْلَى بَنِي هَاشِمٍ حَدَّثَنَا عَمَّارُ بْنُ أَبِي عَمَّارٍ مَوْلَى بَنِي هَاشِمٍ أَنَّهُ مَرَّ عَلَى عَبْدِ الرَّحْمَنِ بْنِ سَمُرَةَ وَهُوَ عَلَى نَهَرِ أُمِّ عَبْدِ اللهِ يَسِيلُ الْمَاءُ مَعَ غِلْمَتِهِ وَمَوَالِيهِ فَقَالَ لَهُ عَمَّارٌ يَا أَبَا سَعِيدٍ الْجُمُعَةَ فَقَالَ لَهُ عَبْدُ الرَّحْمَنِ بْنُ سَمُرَةَ إِنَّ رَسُولَ اللهِ ﷺ كَانَ يَقُولُ إِذَا كَانَ يَوْمُ مَطَرٍ وَابِلٍ فَلْيُصَلِّ أَحَدُكُمْ فِيرَحْلِهِ