It is, and His words contradict you. Again:
Mat 28:19 AV: "Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:"
The Name, singular; not "The Names" plural. These three Persons are of one indivisible substance. The Name in Hebrew is Elohim, denoting a Plurality unified in One entity:
Gen 1:26a,b AV: "And God said, Let us make man in our image, after our likeness: . . ."
One Name, God, plurality of persons intercommunicating: "us" "our" talking with each other.
The Trinity in the Old Testament:
Isa 48:12,13,15,16:
"Hearken unto me, O Jacob and Israel, my called; I am he; I am the first, I also am the last.
Mine hand also hath laid the foundation of the earth, and my right hand hath spanned the heavens:
when I call unto them, they stand up together.
I, even I, have spoken; yea, I have called him: I have brought him, and he shall make
his way prosperous.
Come ye near unto me, hear ye this; I have not spoken in secret from the beginning;
from the time that it was, there am I: and now the Lord GOD, and his Spirit, hath sent me.
Jehovah Jesus speaking here, to the House of Jacob/Israel, through Isaiah.
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Yes, Jesus is God in the flesh, fully human and fully God.
Satisfies me, as His subject.
There you go. Everyone should be thoroughly convinced in his own mind. When the Messiah comes, noone will be sitting on the fence.
Truth is what it is no matter what people believe. The NT continues to serve as a witness against the big litmus-test Established doctrines, even as the wall of Scriptural 'proofs' for them is unscalable. But as history demonstrates in humilating ways, an army small in number becomes victorious over one many times in size not through physical strength in numbers, but by way of the superior wisdom, spirit, and strategy of its commander. That type of leader wouldn't waste his resources breaking down impenetrable walls.
Persian conquest
In 539 BC, the Neo-Babylonian Empire fell to Cyrus the Great, king of Persia, with a military engagement known as the Battle of Opis. Babylon's walls were considered impenetrable. The only way into the city was through one of its many gates or through the Euphrates River. Metal grates were installed underwater, allowing the river to flow through the city walls while preventing intrusion. The Persians devised a plan to enter the city via the river. During a Babylonian national feast, Cyrus' troops diverted the Euphrates River upstream, allowing Cyrus' soldiers to enter the city through the lowered water. The Persian army conquered the outlying areas of the city while the majority of Babylonians at the city center were unaware of the breach. The account was elaborated upon by Herodotus[28][29] and is also mentioned in parts of the Hebrew Bible.[30][31]
https://en.wikipedia.org/wiki/Babylon#Persian_conquest
The Bible is full of patterns. It makes certain outcomes blatantly predictable, even as all the wise men are left scratching their heads and/or quaking in their boots. Daniel, being the observant type, gave the king a simple history lesson.
Trinity = Titanic