Nicene and Post-Nicene Fathers, Ser. II, Vol I:
The Life of Constantine with Orations of Constantine and Eusebius.: Chapter IV

Chapter IV.—A Farther Notice of the Controversies raised in Egypt by Arius.

In such occupations as these he employed himself with pleasure: but the effects of that envious spirit which so troubled the peace of the churches of God in Alexandria, together with the Theban and Egyptian schism, continued to cause him no little disturbance of mind. For in fact, in every city bishops were engaged in obstinate conflict with bishops, and people rising against people; and almost like the fabled Symplegades, 3233 coming into violent collision with each other. Nay, some were so far transported beyond the bounds of reason as to be guilty of reckless and outrageous conduct, and even to insult the statues of the emperor. This state of things had little power to excite his anger, but rather caused in him sorrow of spirit; for he deeply deplored the folly thus exhibited by deranged men.

Footnotes

The famous rocks in the Euxine which were wont to close against one another and crush all passing ships, and by which the Argo was said (Od. 12. 69) to be the only ship which ever passed in safety.