18ـ وَعَنْهُ عَنْ مُحَمَّدِ بْنِ أَحْمَدَ عَنْ أَحْمَدَ بْنِ الْحَسَنِ بْنِ عَلِيِّ بْنِ فَضَّالٍ عَنْ عَمْرِو بْنِ سَعِيدٍ الْمَدَائِنِيِّ عَنْ مُصَدِّقِ بْنِ صَدَقَةَ عَنْ عَمَّارِ بْنِ مُوسَى عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) أَنَّهُ قَالَ فِي الرَّجُلِ يَنْسَى حَرْفاً مِنَ الْقُرْآنِ فَيَذْكُرُ وَهُوَ رَاكِعٌ هَلْ يَجُوزُ لَهُ أَنْ يَقْرَأَ فِي الرُّكُوعِ قَالَ لاَ وَلَكِنْ إِذَا سَجَدَ فَلْيَقْرَأْ.
18. It is a narration from him (narrator of previous Hadith) by Muhammad ibn Ahmad from Ahmad ibn al-Hassan ibn Ali ibn Faddal from ‘Amr ibn Sa’id al-Mada’iniy from Musaddiq ibn Sadaqah from ‘Ammar ibn Musa who has said the following: “I once asked abu ‘Abd Allah 
, about a man who forgets a letter of the recitation and remembers it in Ruku‘ (bowing down on one’s knees); is it permissible for him to recite in Ruku‘? He (the Imam) said, ‘No, it is not permissible but he recites in Sujud (prostration).”’
