Al-Kāfi

Hadith 1084
anger
6ـ عَنْهُ عَنْ إِسْمَاعِيلَ بْنِ مِهْرَانَ عَنْ سَيْفِ بْنِ عَمِيرَةَ عَمَّنْ سَمِعَ أَبَا عَبْدِ الله (عَلَيهِ السَّلام) يَقُولُ مَنْ كَفَّ غَضَبَهُ سَتَرَ الله عَوْرَتَهُ.
6. It is narrated from him (narrator of the Hadith above) from Isma’il ibn Mehran from Sayf ibn ‘ Amirah from the one who had heard Abu ‘Abdillah (a.s.) saying: “Whoever controls his anger, Allah covers his defects for him. ’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī