First, there was no pristine Christian purity in patristic, or even the apostolic, Christianity. The New Testament is the infallible word of God, but many heard the gospel through the filter of Hellenistic conceptualities that distorted the sound waves. One cannot read Justin the martyr without realizing that he is in a very different thought world from the apostle Paul.

dr. peter leithart, medieval theology and the roots of modernity, in andrew hoffecker's revolutions in worldview, p.145

In reading the Platonic books I found expressed in different words, and in a variety of ways, that the Son, 'being in the form of the Father did not think it theft to be equal with God,' because by nature he is that very thing. But that 'he took on himself the form of a servant and emptied himself, was made in the likeness of men and found to behave as a man, and humbled himself being made obedient to death, even the death of the cross so that God exalted him' from the dead 'and gave him the name which is above every name, that at the name of Jesus every knee should box, of celestial, terrestrial, and infernal beings, and every tongue should confess that Jesus is Lord to the glory of God the Father' (Phil.2:6-11) -- that these books do not have.

augustine, confessions, vii.14