Some people propose that there are only two kinds of truths, those which you sic, read up and those which you sic, make up. This is incorrect. The two truths are those which sic, Man believes and those which are so in 'Reality'. For example, you believe the Universe is fourteen billion light years across. In Reality, the Universe as seen through the eyes of every other part of Creation is over nine hundred trillion light years across and still within its infancy.
Similarly, you assume the Universe is complex in the extreme. In Reality, the entire principle of Creation can be summed up in one simple sentence, 'Nothing exists for nothing, the Universe is not of itself made, and nothing in it has nothing to do'.
Similarly, you do not know the true nature of God because you do not know the true nature of the Holy Trinity. You believe that the Holy Trinity is a Father, Son, and Holy Ghost. For two thousand years the key has been given in plain view on the last page of the Revelations. Namely, 'I am Alpha and Omega, the beginning and the end, the first and the last'. You do not know who Alpha and Omega are because you have not yet been taught the true nature of Reality.
In Reality, the Holy Trinity is Alpha our Father, Omega our Mother, and their Only Begotten Son/Daughter. 'As above so below', and there you have it. The consciousness of the only Begotten is known throughout Creation as Christ. This is where the Universe begins, not with a bang but with Will, Desire, and Action. The making of eternity is daily work.