٦ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ مُحَمَّدِ بْنِ عِيسَى عَنْ يُونُسَ عَنِ الْعَلاَءِ بْنِ رَزِينٍ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَحَدِهِمَا (عَلَيْهِما الْسَّلام) قَالَ سَأَلْتُهُ عَنِ السَّهْوِ فِي النَّافِلَةِ فَقَالَ لَيْسَ عَلَيْهِ شَيْ‏ءٌ.
6. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa from Yunus fro, af-‘Ala’ ibn Razin from Muhammad ibn Muslim who has said the following: “I once asked one of the two Imam, ‘Alayhim al-Salam, about mistakes in optional Salah (prayer). He (the Imam) said, ‘There is not anything upon him.’” 