(In 382 Gregory was summoned to a Synod at Constantinople; he wrote to Procopius, the Prefectus Urbi, and declined to go, on the ground of his great dislike to Episcopal Synods, from which, he said, he had never known any good to result. However he seems to have received a more urgent summons through Icarius and Olympius. His reply to Icarius has been lost; that to Olympius is as follows.)