As an exegete Theodoret belongs to the Antiochene school, of which Diodorus of Tarsus and Theodore of Mopsuestia were the heads.
Lucian the great exegete of Antioch and his school derived their inspiration from Paul, and he was through Lucian a forefather of Arianism.
As a theologian, in fact, Origen is not merely an orthodox traditionalist and believing exegete, but a speculative philosopher of Neo-Platonic tendencies.
As an exegete he exercised a powerful, and on the whole a beneficial, influence on theological investigation.
As an exegete and biblical critic no less than as a grammarian he has left his abiding mark.