Yes.
That is the problem.
It is the church that demands it, not scripture.
It would be easy to just ignore scripture and go with the flow to avoid being contentious, but I am arguing for what actually taught by scripture and what is not actually taught by scripture.
When it comes to the doctrine of the Trinity, Protestants throw out Sola Scriptura.
The question is why do you do that?
What makes you assume (wrongly) that I am an Arian/Unitarian?
You are not able to see that the scripture plainly teaches that the Father is God and Jesus is the Son of God.
You are not able to see that the only reason people dispute the doctrine of the Trinity is because the scripture does not teach the Trinity.
The Roman Catholic Church explains where the doctrine of the Trinity comes from, and it is not the Bible.
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The Blessed Trinity
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In Scripture there is as yet no single term by which the Three Divine Persons are denoted together.
. . .
The Vatican Council has explained the meaning to be attributed to the term mystery in theology. It lays down that a mystery is a truth which we are not merely incapable of discovering apart from Divine Revelation, but which, even when revealed, remains "hidden by the veil of faith and enveloped, so to speak, by a kind of darkness" (Constitution, "De fide. cath.", iv). In other words, our understanding of it remains only partial, even after we have accepted it as part of the Divine message. Through analogies and types we can form a representative concept expressive of what is revealed, but we cannot attain that fuller knowledge which supposes that the various elements of the concept are clearly grasped and their reciprocal compatibility manifest. As regards the vindication of a mystery, the office of the natural reason is solely to show that it contains no intrinsic impossibility, that any objection urged against it on Reason. "Expressions such as these are undoubtedly the score that it violates the laws of thought is invalid. More than this it cannot do.
The Vatican Council further defined that the Christian Faith contains mysteries strictly so called (can. 4). All theologians admit that the doctrine of the Trinity is of the number of these.
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The transition to the Latin theology of the Trinity was the work of St. Augustine. Western theologians have never departed from the main lines which he laid down, although in the Golden Age of Scholasticism his system was developed, its details completed, and its terminology perfected.
It received its final and classical form from St. Thomas Aquinas. But it is necessary first to indicate in what consisted the transition effected by St. Augustine. This may be summed up in three points:
- He views the Divine Nature as prior to the Personalities. Deus is for him not God the Father, but the Trinity. This was a step of the first importance, safeguarding as it did alike the unity of God and the equality of the Persons in a manner which the Greek system could never do. As we have seen, one at least of the Greeks, Didymus, had adopted this standpoint and it is possible that Augustine may have derived this method of viewing the mystery from him. But to make it the basis for the whole treatment of the doctrine was the work of Augustine's genius.
- He insists that every external operation of God is due to the whole Trinity, and cannot be attributed to one Person alone, save by appropriation (see HOLY GHOST). The Greek Fathers had, as we have seen, been led to affirm that the action (energeia) of the Three Persons was one, and one alone. But the doctrine of appropriation was unknown to them, and thus the value of this conclusion was obscured by a traditional theology implying the distinct activities of Father, Son, and Holy Spirit.
- By indicating the analogy between the two processions within the Godhead and the internal acts of thought and will in the human mind (On the Trinity IX.3.3 and X.11.17), he became the founder of the psychological theory of the Trinity, which, with a very few exceptions, was accepted by every subsequent Latin writer.
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