حَدَّثَنَا رَوْحُ بْنُ عَبْدِ الْمُؤْمِنِ، قَالَ: حَدَّثَنَا أَبُو أُسَامَةَ، عَنْ هِشَامِ بْنِ عُرْوَةَ
قَالَ: رَأَيْتُ رَسَائِلَ مِنْ رَسَائِلِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ، كُلَّمَا انْقَضَتْ قِصَّةٌ قَالَ: أَمَّا بَعْدُ
“I saw some of the letters of the Prophet (sallallahu alayhi wa sallam), may Allah bless him and grant him peace. After the introduction he said, ‘Following on from that’”
Al-Adab Al-Mufrad 1124, Book 45, Letters, Hadith 5. 1 min read