ʿUyūn akhbār al-Riḍā
Hadith 104104 - وَبِهذَا الإِسنادِ قالَ: قالَ أَمِيرُ الْمُؤْمِنينَ عَلِىُّ بْنُأَبِي طالِبٍ عَلَيْهِ السَّلامُ: أَكمَلُكُم إِيماناً أحسَنُكُم خُلُقاً.
31-104 According to the same documentation, the Commander of the Faithful Ali ibn Abi Talib (a.s.) said, “Those of you who have the best temper are the ones with the most perfect faith.”