Al-Kāfi - The Book of Belief and Disbelief

Al-Kāfi - The Book of Belief and Disbelief ِنْ أَصْحَابِنَا عَنْ أَحْ٠َّدِ بْنِ خَالِدٍ عَنِ ابْنِ ٠َحْبُوبٍ عَنِ الْعَلاءِ عَنْ ٠ٍ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلا٠) قَالَ السَّكِينَةُ الإي٠3.

A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from ibn Mahbub from al-‘Ala’ from Muhammad ibn Muslim from abu Ja’far (a.s.) who has said the following: “Abu Ja’far (a.s.) has said, ‘Serenity (al-Sakinah) is belief.” صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (7/73))