Naturally he felt that the prevalence of Christianity was incompatible with his ideal of Roman prosperity, and therefore that the policy of the Flavian emperors was the only logical solution of an important problem.
In spite of the advice of Gregory of Nazianzus and of the Western Church, the recognition of Paulinus's sole episcopate was refused, Flavian being consecrated as Meletius's successor.
The Eustathians, on the other hand, elected Evagrius as bishop on Paulinus's death, and it was not till 415 that Flavian succeeded in re-uniting them to the Church.
Epitaphs of members of the Flavian family have been found here, and others stating that they are put up " Ex Indulgentia Flaviae Domitillae Vespasiani Neptis."
Expelled from that city in 513, he went with his followers to stir up strife in Constantinople, and succeeded in bringing about the deposition of the orthodox bishop, Macedonius, and of Flavian, bishop; of Antioch.