““most intellectually intriguing episode in Ibn Hanbal's life was his fierce struggle with Al-Mutazillah, an isolationist school of Islamic philosophy that flourished in the eighth and ninth centuries in parts of Iraq and the Levant and which started with advocating the primacy of reasoning over tradition in interpreting the Koran and progressed into elaborate beliefs on the nature of God and the Koran that were very different from those of the Sunnis and the Shiis.””