Al-Kāfi
Hadith 958 2ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ عَبْدِ الله بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ عَلِيِّ بْنِ الْحَكَمِ عَنْ أَبَانٍ عَنِ الْفُضَيْلِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلام) قَالَ مَنِ ادَّعَى الامَامَةَ وَلَيْسَ مِنْ أَهْلِهَا فَهُوَ كَافِرٌ.
2. Muhammad ibn Yahya has narrated from ‘Abdallah ibn Muhammad ibn ‘Isa fromAli ibn al-Hakam fromAban from al-Fudayl from abu ‘Abdallah (a.s.) who has said the following. “Whoever would claim to be the Imam and in fact he would not be the Imam he would be a unbeliever.”