٨ـ مُحَمَّدُ بْنُ يَحْيَى بِإِسْنَادِهِ قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيْهِ الْسَّلام) السُّجُودُ عَلَى الأرْضِ فَرِيضَةٌ وَعَلَى الْخُمْرَةِ سُنَّةٌ.
8. Muhammad ibn Yahya has narrated through the chain of narrators has said the following: “Abu ’Abd Allah , has said, ’Performing Sujud (prostration) on earth is obligatory and on a prayer mat is a tradition.” 