Imam Ali's Virtues from the Point of View of Sunni Authorities in Hadith

Imam 'Ali's personality, virtues and piety has been acknowledged by all Muslim denominations, as his attributes have been mentioned in most hadith collection by various Muslim schools. This paper is an attempt to shed a light on Imam 'Ali's virtues on the basis of Sunni authorities of hadith. This article consists of three parts in each different aspects of Iman ‘Ali’s personality have be considered; first, the Quranic sura on 'Ali; second, virtues attributed to him; and finally, his deeds.