Al-Kāfi

Hadith 1394
congregational-prayerjurisprudence
8ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ مُحَمَّدِ بْنِ الْحُسَيْنِ عَنْ صَفْوَانَ عَنِ الْعَلاَءِ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ الْسَّلام) قَالَ إِذَا كَثُرَ عَلَيْكَ السَّهْوُ فَامْضِ فِي صَلاَتِكَ فَإِنَّهُ يُوشِكُ أَنْ يَدَعَكَ إِنَّمَا هُوَ مِنَ الشَّيْطَانِ.
8. Muhammad ibn Yahya has narrated from Muhammad ibn ai-Husayn from Safwan from af-‘Ala’ from Muhammad ibn Muslim who has said the following: “Abu Ja‘far (a.s.), has sad, ‘If mistakes become many on you then continue in your Salah (prayer), eventually it may leave you alone; it is from Satan.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī