Leo the Isaurian had all the scruples of a Paulician, even to the rejection of the cult of Virgin and saints; Constantine V.
His reign was marked by a troublesome war with the Paulician heretics, an inheritance from his predecessor; the death of their able chief Chrysochir led to the definite subjection of this little state, of which the chief stronghold was Tephrice on the upper Euphrates, and which the Saracens had helped to bid a long defiance to the government of Constantinople.
A similar judgment may be passed upon those Paulician, Albigensian, Paterine and Epicurean dissenters from the Catholic creed who opposed the phalanxes of orthodoxy with frail imaginative weapons, and alarmed established orders in the state by the audacity of their communistic opinions.
These Paulician doctrines have survived in the great Russian sects, and can be traced back to the teachings and practice of the Bogomils.
The regent displayed her religious zeal by restoring image-worship (842) and persecuting the Paulician heretics, but she entirely neglected the education of her son.