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أَخْبَرَنَا الْوَلِيدُ بْنُ شُجَاعٍ حَدَّثَنِي مُحَمَّدُ بْنُ شُعَيْبِ بْنِ شَابُورٍ أَخْبَرَنَا الْوَلِيدُ بْنُ سُلَيْمَانَ بْنِ أَبِي السَّائِبِ عَنْ رَجَاءِ بْنِ حَيْوَةَ أَنَّهُ حَدَّثَهُ قَالَ كَتَبَ هِشَامُ بْنُ عَبْدِ الْمَلِكِ إِلَى عَامِلِهِ أَنْ يَسْأَلَنِي عَنْ حَدِيثٍ قَالَ رَجَاءٌ فَكُنْتُ قَدْ نَسِيتُهُ لَوْلَا أَنَّهُ كَانَ عِنْدِي مَكْتُوبًا

Narrated to us [Al Walid bin Syuja'] he said: Narrated to us [Muhammad bin Syu'aib bin Syabur] Narrated to us [Al Walid bin Sulaiman bin Abu As Sa`ib] from [Raja` bin Haiwah] That he told: "Hisyam bin Abdul Malik once wrote a letter to his employee to ask me about a hadith', Raja` said: 'I would have forgotten the hadith if I did not have a copy in written form' ".