The life of the first child to accept Islam, who in the course of time became the fourth Khalif of the Muslims, and of whom the Prophet said, 'I am the city of knowledge, and 'Ali is its gate.' Renowned for his wisdom and ability to judge with equity, 'Ali was also a great warrior on the battlefield and never lost in single combat. He was honored by his marriage to Fatima, the youngest daughter of the Prophet Muhammad, blessings and peace be on him and on his family and companions, and it is from their children that all the direct descendants of the Prophet are descended. The life of the first child to accept Islam, who in the course of time became the fourth Khalif of the Muslims, and of whom the Prophet said, 'I am the city of knowledge, and 'Ali is its gate.' Renowned for his wisdom and ability to judge with equity, 'Ali was also a great warrior on the battlefield and never lost in single combat. He was honored by his marriage to Fatima, the youngest daughter of the Prophet Muhammad, blessings and peace be on him and on his family and companions, and it is from their children that all the direct descendants of the Prophet are descended. The life of the first child to accept Islam, who in the course of time became the fourth Khalif of the Muslims, and of whom the Prophet said, 'I am the city of knowledge, and 'Ali is its gate.' Renowned for his wisdom and ability to judge with equity, 'Ali was also a great warrior on the battlefield and never lost in single combat. He was honored by his marriage to Fatima, the youngest daughter of the Prophet Muhammad, blessings and peace be on him and on his family and companions, and it is from their children that all the direct descendants of the Prophet are descended.