.... Amir's quest for his "truth" is one that focuses on empiricism and sound reasoning. As Amir puts it, one of the first and toughest questions is: "How did Islamdom really lose its virtue?"
In trying to find an answer, his quest takes him to the ninth century and the war of ideas between two schools of theological philosophy: One that advocated reason, free will, and an allegorical reading of sacred texts (al-Mu'tazila); and another that advocated tradition, predestination, and a more literal reading of the Quran (al-Ashariya).
Eventually al-Ashariya's school of thought prevailed because it was supported by the stronger political establishment of the time; and eventually it became the predominant mode of thinking about and interpreting Islam. [Foreign Policy] Read more