sigh.
The Nicene creed was not written until AD 323 in the Council of Nicea, and reaffirmed later that century.
There were a series of councils around that time to define what was to be the core doctrine of the Christians church of the time against beliefs like Arianism, which was considered by a majority to be heretical.
So the doctrine of the Trinity was only finalised then, and of course that was around the same time that the books of what was to be the Bible as we know it was finalised.
Arianism did not claim that Jesus was the son of God, it had a different view oh his divinity.
So we have a creed declared to be true, the only one, the only way, dictated by the church thinkers of that time.
It was about power and control of a narrative to suit the leaders of the Christian church.
I don't therefore see the Nicene creed as anything else than it was, a human construct of its time, and do not think it necessary for someone who calls themselves a christian to be bound by one set of contructs.
As far as I am concerned, being a Christian means following the lessons from Jesus himself. There is no reason that we should not use our understanding of the way the early church developed,
especially given the existence of the Gnostic gospels (gospels that were not included in the bible, especially the Gospel of Thomas and the gospel of Mary Magdelene) all which display alternative ways of understanding Jesus.
So "Nic