The answer
Millennialism was generally not considered as a topic of itself, nor was much attention given to it; but the School of Alexandria quickly became aware that this matter could be dangerous. It was almost as though they peered into the future and saw what we see happening today — how this erroneous doctrine represents the dangerous central ideology of some denominations, such as the Adventists. Thus, the scholar Origen set out in the second century to oppose this view, and Pope Dionysius of Alexandria followed him in the third century in refuting the idea of a literal interpretation of the Book of Revelation. By the end of the fourth century, this view had disappeared entirely in the Church of Alexandria. Elsewhere, St. Augustine, realizing his mistake, made clear the danger of a literal interpretation of the thousand years, countering it with the power of irrefutable argument.
Fr. Tadros Yacoub Malaty