The day of the Lord is always an eschatological conception, as the term is applied to the final and universal judgment, and not to any less decisive intervention of God in the course of human history.
In this eschatological discourse (Matt.
While Irenaeus held fast the traditional eschatological beliefs, yet his conception of the Christian salvation as a deification of man tended to weaken their hold on Christian thought.
He was called there to combat the unitarian christology of Beryllus, bishop of Bostra, and to clear up certain eschatological questions.
This was no isolated phenomenon; for in every progressive period of the history of religion we have on the one side the doctrine of God advancing in depth and fulness: on the other we have cosmological, eschatological and other survivals, which, however justifiable in earlier stages, are in unmistakable antagonism with the theistic beliefs of the time.