Byzantine philosophy is an almost unexplored field. Being regarded either as mere scholars or as primarily religious thinkers, Byzantine philosophers, for the most part, have not been studied on their own philosophical merit, and their works have hardly been scrutinized as works of philosophy. Thus, although distinguished scholars in the past have tried to reconstruct the intellectual life of the Byzantine period, there is no question that we still lack even the beginnings of asystematic understanding of the philosophy of the Byzantines.Byzantine Philosophy and its Ancient Sources is conceived