I am not arguing either for or against Jesus being the Messiah promised & sent by God. I am only arguing against the concept of the Trinity as aprimary concept - since I don’t see what it adds to the Faith and it is not mentioned in any Scriptures.
In fact the passage, you quote seems to argue against the Trinity - i.e. that he is god’s final messenger or Messiah, not god himself.
Polycarp’s post above seems to agree with me that:
**The concept of the Trinity is an attempt to explain, in Greek philosophical concepts, how it can be that YHWH the Father is not Jesus, and neither are the Holy Spirit, yet each of them is God, and yet there is but one God…
And of course one of the main reasons the doctrine caught on and became the accepted means of explaining that conundrum was that many cultures had trinities of various sorts in it – Brahma, Siva, and Vishnu; Osiris, Isis, and Horus; etc.**
Let’s think for a moment about the early apostles trying to bring the Good News to pagan Romans, Greeks & Egyptians. First they teach them that there is only one God that they must love with all their hearts. Then they teach them about Jesus and that he too was God. I imagine at this point a hand being raised at the back of the crowd with the obvious question: “So, which god should we pray to or offer sacrifices to Jehovah or Jesus.” And, then another question: “I thought you said there was only one god?” And another: “If we pray to your two gods on Sunday, can we then go pray to Apollo on Monday and Hera on Tuesday, etc.”
The Jews might have had an easier time with the idea of one god who was differently manifest, but to a polytheist the idea of different names, means two different gods. Unless, they are somehow combined. And, duo is a very awkward conception for a god. Enter the concept of the Holy Spirit to round out the Trinity. There are many 3-part pagan gods - uusally god, his goddess consort, and their divine Son.
Christinanity having no goddess replace her position in the Trinity with the Holy Spirit.
Earlier, I mentioned the Catholic de facto deification of Mary. I realized this came much later. I mentioned it only to point out how much people like the holy family idea - so much so that the Catholic Church later created their own goddess image for people to pray to, because it seemed to fulfill some inate spiritual need or sense of balance or something to include a feminine figure within their ritual of devotion to god. Also, it shows how concepts of worship have evolved.
The shrines of various specialized saints within the cathedral each with different rituals, mythology & types of prayers to direct to them, seems to bring back some aspects of pagani devotion back into the mix. God becomes in the end simply the king of the pantheon of saints, angels, divine son, Holy Mother, and holy spirit. Each in the pantheon are thought to have special abilities. Some prayers go the god, some to Mary, some to a specific saint (who then relays them to god the father). I’m not passing judgement on anyone’s beliefs just pointing similarities.
Many other examples of pagan ritual incorporation within the Church exist & continue till this day. Example: Christamas is in December simply to takeover the pagan holiday of the Winter Solstice. Easter includes traditional images such as eggs & rabbits that are rather obvious fertility symbols borrowed Spring Equinox celebrations - having nothing to do with the Resurrection.
So, people shouldn’t be so upset by the idea that the Trinity may have existed first in other religions and then grafted onto Christian teachings as a means to better explain Jesus’ special relation to God.