Let’s start by remembering that God as a whole is immensely bigger that what our mind can comprehend. We are finite beings dealing with an infinite God. Our finite minds can’t even begin to grasp the full essence of who God is and how He works. So we humbly accept that there are things about God and his works that remain a mystery and that it usually boils down to faith. All we can do is learn as much as we can on a subject and, with God’s help, try to understand its meaning and its purpose. Wherever that leads us, we cannot assume that what we found to be “true” is the only enlightened perspective and that any other view is incorrect. If the Bible is clear on a subject… well, there is no discussion; if the Bible is not so clear, let’s always be humble with our view.
What is clear in the Bible is that there is only ONE true God. “In Christianity, the doctrine of the Trinity states that God is one being who exists, simultaneously and eternally, as a mutual indwelling of three persons: the Father, the Son (incarnate as Jesus of Nazareth), and the Holy Spirit. Since the 4th century, in both Eastern and Western Christianity, this doctrine has been stated as “three persons in one God,” all three of whom, as distinct and co-eternal persons, are of one indivisible Divine essence, a simple being.” (Wikipedia)
The New Testament (as well as the Old Testament) does not use the word “Τριάς” (Trinity), nor explicitly teach it. The Trinity article in Encyclopedia Britannica states: “Neither the word Trinity nor the explicit doctrine appears in the New Testament, nor did Jesus and his followers intend to contradict the Shema in the Old Testament: “Hear, O Israel: The Lord our God is one Lord” (Deuteronomy 6:4). It wasn’t until about 200 AD that Tertullian used for the fist time the word “Trinity” when referring to the Father, Son and Holy Spirit.
When you think about the fact that God is omnipresent (He is all around) it is not hard to believe that He can be incarnated into a human body but still be everywhere else. I honestly don’t know exactly how this can be; its just one of those mysteries. What I do know is that God has always been in contact with us. He has done it in many different ways throughout time. We may call it “The angel of Yahweh” (like in the OT), Jesus, Messiah (NT), or Holy Spirit (current time); but when it comes down to it, it is God revealing himself to us.
Many people (me included) have the perspective that the reason of the timing of all things has been meticulously tailored by God to paint a picture; a picture that we can grasp or identify with. A painting that, even though it might be still a little blurred because of our desensitized eyes, gives us a general idea of the complex truth. Why the sacrifice on a cross? Even if it was just a metaphor, it is tough to construct a different scenario that encompasses all the meaning – the full message of the cross. It leaves no loose ends. Prophesies, commandments, promises, God’s righteousness, God’s love, etc. all are addressed; no mistakes, no inconsistencies. All this to explain that it is tough to understand why God has done things the way He has, but it is easy to see how it has all been perfectly executed.
My personal view is that there is only one God. The names “Father”, “Son”, and “Holy Spirit” are simply different ways in which God has revealed His essence. We learn so much about God when seen as the creator, a loving father that would sacrifice his son for our wellbeing, as a fighter for true justice here on earth, as the source in us that makes us feel truly alive, etc. All these things are understood when we are presented with the Trinity. If we saw God only as Creator/Judge, we would have an incomplete view of who He is. If we saw him only as a humble carpenter that by love was nailed on a cross, we would also have a shortened view of who He is. I believe that we needed God to reveal Himself in three different ways for us to know Him better; to have the opportunity to know Him intimately. It’s all part of His master plan to reunite us with Him. Just my opinion… Let me know what you think, yeah?