While in this question he went hand in hand with Cornelius, bishop of Rome, his strict attitude in the matter of baptism by heretics brought him into serious conflict with the Roman bishop Stephen.
It is highly significant that Jelacic as Ban of Croatia went hand in hand with the newly elected Serb-patriarch Rajacic: that Croats and Serbs, including many volunteers from the principality of Serbia, fought side by side against Hungary, and that the poet-prince-bishop Peter II.
Probably (as Duval suggests) the use of Syriac in these regions went hand in hand with the spread of the monophysite doctrine, for the liturgies and formulas of the Jacobite Church were composed in Syriac. Similarly the spread of Nestorian doctrines throughout the western and southwestern regions of the Persian Empire was accompanied by the ecclesiastical use of a form of Syriac which differed very slightly indeed from that employed farther west by the Jacobites.
The latter, on the contrary, must have grown in importance with the unification and progress of the nation, and in all probability the consolidation of the priesthood into one class went hand in hand with a consolidation of legal tradition.
The time of the Ashtarkhanides had been for the most part a time of dissolution and decay; fanaticism and imbecility went hand in hand.