Al-Kāfi - The Book of Belief and Disbelief

Al-Kāfi - The Book of Belief and Disbelief Chapter: The Fundamentals of Islam ِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ أَحْ٠َّدِ بْنِ أَبِي نَصْرٍ عَنْ ٠ُثَنًّى الْحَنَّاطِ عَنْ عَبْدِ الله بْنِ عَجْلانَ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلا٠) قَالَ بُنِيَ الإسْلا٠ْسٍ الْوَلايَةِ وَالصَّلاةِ وَالزَّكَاةِ وَصَوْ٠َضَانَ وَالْحَجِّ.

They are al-Wilayah, (accepting the Divine Authority of ‘ A’immah ), the prayer, al- Zakat (charity), fasting in the month of Ramadan and al-Hajj.’” شهور - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (7/112))