When I read Daniel's prophecy of the growing tree, and Jesus's temptation on the high mountain, I feel like a 'flat Earth' is being invoked. But when I look forward at early church fathers, they seem to discuss a round Earth (Augustine discusses the Antipodes, fer ex).
What was the mainstream thought in Jewish society in that day? Were they influenced enough by the Greek maths to believe in a round Earth? Or were they insular enough to have their own ideas?
From the Jewish Encyclopedia there is not much. The earth was described as a disk that was elevated on pillars on the ocean. While also being suspended in space. There were four points to their compass. They viewed themselves as being in the center of this disk and all the other nations surrounded them. This did not change for the Jews until Copernicus and Kepler.
Technically Palestine is still considered the Middle East. The Greeks, Assyrians Persians, Babylonians, Arabians, Medians, Egyptians, and Romans did surround them like a circle. The sky as being a fixed dome would complete the aspect of being in the center of a disk.
Is the earth being a round globe even important when it comes to everyday life? We have knowledge of the implications of that reality, but did that even matter to any one, except those figuring out how the universe operates? Even if one was 30,000 feet in the air, it would look like a disk. A person in the space station would get the point after watching the earth rotate beneath them, but it would seem that one would have to be on the moon, before it actually looked like a globe.
Even if they knew that the earth was round, putting that notion on a flat surface would loose the interpretation. There may be a 3D rendition of the sun and planets on a flat surface, but being cut in half would not mean that they realized the earth was a disk or globe. The reason for doing so never came to the forefront until it needed to be proven that the planets revolved around the sun instead of this "flat disk" humans lived on. Being on a disk would indicate they new of "roundness", it was just not that important to them. Having been no where else in the universe, it would seem to be natural to think that one is in the center of whatever is "around" them. Turning one's body to get the full view, creates a circle.
Well, if you're not very observant, maybe. (Like not looking out windows in air planes or watching ships appear or disappear at the horizon and such.) But I doubt many people today think as the world as flat. So I guess science is good for something, even though it takes a millennium or two sometimes.
Anyway, I seem to recall Plotinus mention that early Christians were accused of cannibalism. Seeing as the miracle of transsubstantiation does exactly that (on a weekly basis the faithful eat the literal body of Christ), what happened to that criticism? Why did it cease, since it still holds water today?
It should be pointed out that Cannibalism as a "sacred" practice would be an internal contradiction to the point that Cannibalism itself is taboo. Historically it has been pointed out that Cannibalism was only a taboo, because the accusers saw themselves as being morally superior. It was a power trip to point out another person's ability to overcome their own aversion to the practice. Some think the early explorers made false accusations, to excuse the subjugation of the natives. Most humans have an innate sense of aversion to eating their own flesh, or another being like them. The only other taboo, is the sanctity of the dead. Some even thought that eating the dead would give them the attributes of that person.
As being ethical, I guess that if there is a law against the practice, one should abide by that law, even if it is not practical. Most cannibalism on a whole is because of famine or necessity. There have been a handful of accounts where humans have no aversion to the practice, and it may be linked to mental illness. Generally though, it seems to be a personal issue, that makes it wrong to do.
The Eucharist tends to fall on the side of a sacred rite, and if one can be convinced that it is actually the body and blood of Christ, then it should be easier to convince them as a rite it is not wrong. Calling something dead or alive does not change the point. Who in their right mind would eat the flesh of a person who is dead, much less alive?
If you want to claim that Jesus himself claims that He performed a cannibalistic action when he demanded his disciples to actually eat of his flesh, then perhaps the editor of the text was trying to make a point. I have always wondered how Jesus could have experienced every single experience a human ever experienced. If that was literal, then there you go. Jesus experienced what it was to be a cannibal.
Otherwise Paul cleared things up, when he said The Lord's Supper was
just done as a remembrance, and should
never be a cannibalistic experience. That it is even mentioned and taught as a church doctrine, means that it was debated on at least once if not many times during church history. The 3 Passages in the Gospels state that Jesus said, "My blood", and "My body".
Paul in 1 Corinthians 11:29 states: "because all who eat the bread and drink the cup without recognizing the body eat and drink judgment against themselves." This may have been interpreted as it "became" the body each time the church came together. The issue though, that Paul had was that they were just coming together and eating and in a gluttonous way. It was not in remembrance of the Death of Christ, but the action had lost significance. Some Protestants even limit the "Remembrance" to a few times a year, so it does not lead to just a habitual practice without any meaning.
The Catholic view it more as a weekly act of repentance and renewal of the spiritual life. Every week or more often it is allowing the work of Christ's death to repeat the same action of redemption each time it is eaten.