Arius was a presbyter of
Alexandria; the origin of his heresy, however, is, as Cardinal Newman
has shown, to be sought in Syria rather than in Egypt, in the sophistic
method of the Antiochene schools more than in the mysticism of the
Alexandrian. It was in the year 319 that Arius began to attract
attention by his heterodox teaching, which led eventually to his
excommunication. He found favour, however, with men of
considerable importance in the Church, such as Eusebius of Cæsarea
in Palestine, Eusebius of Nicomedia, Athanasius of Anazarbus, and
others. The question was finally discussed in a synod of bishops
convened, on the summons of the Emperor Constantine, at Nicæa in
Bithynia. The acts of that Council condemned
Arianism—notwithstanding which, the heresy prevailed in the East
till the reign of Theodosius the Great (379–395 a.d.); and having won the acceptance of the Goths, it was
predominant in Gaul and Italy during the fifth century, and in Spain
till the Council of Toledo (589 a.d.), and its
influence affected Christian thought for centuries
afterwards—possibly it is not even yet dead.
Arius urged the following dilemma:
“Either the Son is an original Divine Essence; if so we must
acknowledge two Gods. Or He was created, formed, begotten; if so,
He is not God in the same sense as the Father is God.”
Arius himself chose the latter alternative, which St. Ambrose regarded
as a lapse into paganism, with its “gods many and lords
many,” dii majores and dii minores, and divinities
begotten of gods and goddesses.
Arius’s errors are summarized in
the anathema appended to the original Nicene Creed. “But
those who say that there was a time when the Son of God was not, or
that He had no existence before He was begotten, or that He was formed
of things non-existent, or who assert that the Son of God is of a
different substance or essence, or is created, mutable, or variable,
these men the Catholic and Apostolic Church of God holds
accursed.”