Al-Kāfi

Hadith 355
angerpatience
7ـ أَبُو عَلِيٍّ الأشْعَرِيُّ عَنْ مُحَمَّدِ بْنِ عَبْدِ الْجَبَّارِ عَنِ ابْنِ فَضَّالٍ عَنْ غَالِبِ بْنِ عُثْمَانَ عَنْ عَبْدِ الله بْنِ مُنْذِرٍ عَنِ الْوَصَّافِيِّ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلام) قَالَ مَنْ كَظَمَ غَيْظاً وَهُوَ يَقْدِرُ عَلَى إِمْضَائِهِ حَشَا الله قَلْبَهُ أَمْناً وَإِيمَاناً يَوْمَ الْقِيَامَةِ.
7. Abu Ali al-Ash’ari has narrated from Muhammad ibn ‘Abd al-Jabbar from ibn Faddal from Ghalib ibn ‘Uthman from ‘Abd Allah ibn Mundhir from al-Wassafi from abu Ja’far (a.s.) who has said the following: “Abu Ja’far (a.s.) has said, ‘Whoever controls his anger which he could allow to take its course, Allah on the Day of Judgment will fill his heart with security and belief.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī