the early years of Islamic civilization, various groups vigorously competed for the hearts and minds of the Muslim community. Those who actively pursued the Greek classical tradition of knowledge were known as the faylasuf or “philosophers.” Another group, taking a more mystical approach to Islam, were the Sufis. However, the two principal groups that emerged were the Ash'arites, traditionalists who believed in the primacy of Islamic faith, and the Mu'tazilites, who believed