" By the end of the eleventh century,” Edmond said, “the greatest intellectual exploration and discovery on earth was taking place in and around Baghdad. Then, almost overnight, that changed. A brilliant scholar named Hamid al-Ghazali—now considered one of the most influential Muslims in history—wrote a series of persuasive texts questioning the logic of Plato and Aristotle and declaring mathematics to be ‘the philosophy of the devil. "

― Dan Brown , Origin (Robert Langdon, #5)