عَنْ یُوسُفَ بْنِ عَبْدِاللہِ بْنِ سَلامٍ، عَنْ أَبِیہِ قَالَ: تُو شِکُ الْمَدِینَۃَ أَنْ یُصِیبَھَا مَطَرٌ أَرْبَعِینَ لَیْلَۃً لا تُکِنٌ أَھْلَھَابَیْتٌ مِنْ مَدَرٍ
مسند امام شافی · Hadith 528
On the authority of Yusuf Ibn Abd Allah ibn Salam, on the authority of his father, he said: The debtors doubted that it will be hit by rain for forty nights, but no one does,