The Trinity is not described by nor is it suggested in any way by either Jesus directly or indirectly in the Bible.
Yes it is, if you don't dismiss the evidence properly presented.
You have the eternal Oneness of God. Three can only become one in faith based beliefs that are devoid of logic and reason.
Well, essentially, the whole spiritual aspect of the bible narrative is devoid of logic and reason for the flesh. That is clearly outlined in the biblical narrative.
