Library Pseudo-Clement Clementine Homilies
Homily 16, Chapter 1: Simon Wishes to Discuss with Peter the Unity of God
At break of day Peter went out, and reaching the place where he was wont to discourse, he saw a great multitude assembled. At the very time when he was going to discourse, one of his deacons entered, and said: Simon has come from Antioch, starting as soon as it was evening, having learned that you promised to speak on the unity of God; and he is ready, along with Athenodorus the Epicurean, to come to hear your speech, in order that he may publicly oppose all the arguments ever adduced by you for the unity of God.
Just as the deacon said this, lo! Simon himself entered, accompanied by Athenodorus and some other friends. And before Peter spoke at all, he took the first word, and said:
English translation in Ante-Nicene Fathers, Vol. VIII (eds. Alexander Roberts and James Donaldson; Buffalo: Christian Literature Publishing Co., 1886). Public domain. Digital text via New Advent Church Fathers.