Edwin Hatch asserts that “it is among the Gnostics that there appears for the first time an attempt to realize the change of the elements to the material body and blood of Christ.” (The Influence of Greek Ideas and Usages Upon the Christian Church, pg 308)
PS - you’re comments are always of a high quality.
Thank you

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Yes, he does assert that (I’ve seen that quote before), however I haven’t seen substantiation to the claim. He goes on to say: “The fact that they were so regarded is found in Justin Martyr.”, however I have not found anything in Justin Martyr’s writings that indicates anything of the sort. Hatch’s footnote from that sentence isn’t even a reference to Justin Martyr’s writings, but something from St. Basil (and a search for the word “Gnostic” in Basil’s
De Spiritu Sancto doesn’t turn up anything).
Instead, we have Justin Martyr, and many other ancient Christians, talking about the Real Presence, and not a symbolic or other view of the Eucharist. Further, they talked about the sacrificial nature of the Eucharist (again, something that further ties Catholic and Orthodox liturgical rites to the Jerusalem Temple). For example, Justin Martyr has said:
***“God has therefore announced in advance that all the sacrifices offered in His name, which Jesus Christ offered, that is, in the Eucharist of the Bread and of the Chalice, which are offered by us Christians in every part of the world, are pleasing to Him.”-Dialogue with Trypho", Ch. 117, circa 130-160 A.D.
Moreover, as I said before, concerning the sacrifices which you at that time offered, God speaks through Malachias, one of the twelve, as follows: ‘I have no pleasure in you, says the Lord; and I will not accept your sacrifices from your hands; for from the rising of the sun until its setting, my name has been glorified among the gentiles; and in every place incense is offered to my name, and a clean offering: for great is my name among the gentiles, says the Lord; but you profane it.’ It is of the sacrifices offered to Him in every place by us, the gentiles, that is, of the Bread of the Eucharist and likewise of the cup of the Eucharist, that He speaks at that time; and He says that we glorify His name, while you profane it."-“Dialogue with Trypho”, [41: 8-10]
“We call this food Eucharist, and no one else is permitted to partake of it, except one who believes our teaching to be true and who has been washed in the washing which is for the remission of sins and for regeneration * and is thereby living as Christ enjoined. For not as common bread nor common drink do we receive these; but since Jesus Christ our Savior was made incarnate by the word of God and had both flesh and blood for our salvation, so too, as we have been taught, the food which has been made into the Eucharist by the Eucharistic prayer set down by him, and by the change of which our blood and flesh is nurtured, is both the flesh and the blood of that incarnated Jesus” (First Apology 66 [A.D. 151])."**
For there to be evidence of the Real Presence doctrine being the result of apostasy, it would have to be demonstrated that another view of the original, and then there was a change to the Real Presence. I personally have never seen that. Hatch’s quote does not provide actual substantiation for his assertion, so I’d appreciate it if you could cite any references from that time period that show that the Gnostics were the first to believe in the Real Presence, and that this was adopted by the early Christians, causing a change in doctrine on the matter.**