٢٠ـ مُحَمَّدُ بْنُ يَحْيَى وَأَحْمَدُ بْنُ إِدْرِيسَ عَنْ مُحَمَّدِ بْنِ أَحْمَدَ عَنْ عَلِيِّ بْنِ مُحَمَّدٍ الْقَاسَانِيِّ عَنْ مُحَمَّدِ بْنِ عِيسَى عَنْ سُلَيْمَانَ بْنِ حَفْصٍ الْمَرْوَزِيِّ قَالَ كَتَبَ إِلَيَّ الرَّجُلُ (صلّى اللهُ عَلَيْهِ وَآلِه) فِي سَجْدَةِ الشُّكْرِ مِائَةَ مَرَّةٍ شُكْراً شُكْراً وَإِنْ شِئْتَ عَفْواً عَفْواً.
20. Muhammad ibn Yahya and Ahmad ibn Idris have narrated from Muhammad ibn Ahmad from Ali ibn Muhammad al-Qasaniy from Muhammad ibn ‘Isa from Sulayman ibn Hafs al-Marwaziy who has said the following: “The man , wrote to me the following: ’During sajdah when expressing thanks to Allah say, “Shukran” one hundred times - or if you wanted - say “’Afwan ‘Afwan.’”” 