The subject of faith is one of the most intriguing and fascinating concepts in Islam. In early Islam, the concept of faith became a matter of intense debates and disputes among the scholars and theologians of various sects. In the first three centuries of early Islam, this concept inevitably became a significant feature and the task of religious and legal definitions absorbed the intellectual energies of the Muslim community to an unparalleled degree. The book aims at analyzing the facts at a later stage of history, when the Sunni scholars and jurists often scarcely distinguished in the early centuries, realized that being plainly subordinate to Allah came to the scene. They rose to the occasion and led the great majority of the Muslims to a remarkable level of understanding and unity on the main issues of faith. It was with this sense of unity, based on the Quran and expanded by the Sunnah, the fact that all common allegiance to the supreme power be restored and enhanced.