submission by entrenching upon Theodoret's eparchy.

Theodoret sought to preserve the peace of the Church by obtaining the adoption of a formula avoiding the unconditional condemnation of Nestorius, and toward the close of 434 worked for reconciliation between the Eastern churches. However, Cyril maintained his position. When Cyril launched an attack in 437 against Diodorus of Tarsus and Theodore of Mopsuestia, John