Al-Kāfi
Hadith 1056 4ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنْ أَبِي جَمِيلَةَ عَنْ مُحَمَّدٍ الْحَلَبِيِّ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلام) قَالَ مَنْ فَارَقَ جَمَاعَةَ الْمُسْلِمِينَ قِيدَ شِبْرٍ فَقَدْ خَلَعَ رِبْقَةَ الاسْلامِ مِنْ عُنُقِهِ.
4. A number of our people has narrated from Ahmad ibn Muhammad from ibn al-Faddal from abu Jamila from Muhammad al-Halabi from abu ‘Abdallah (a.s.) who has said the following. “Whoever would distance himself from the company the Muslims even by one shibr (one foot) he has removed the band of allegiance with Islam from his neck.”