T. W. Allies, Peter's Rock in Mohammed's Flood…
“ The single patriarch had himself become a despot in wielding the tyranny of the civil despot as his chief instrument. These six ecumenical patriarchs wielded their authority under Iconoclast emperors for a long time: Anastasius I. from 730 to 753; Constantine II. from 754 to 766; Nicetas I. from 766 to 780; then an orthodox sovereign brought with him an orthodox council. The patriarch Tarasius and union with the West might seem to have secured a deliverance from a renewed reign of the Iconoclast violence. On the contrary, three succeeding patriarchs, Theodotus from 815 to 821 ”
