There is enough evidence in nature to convince man of the existence of God. Creation can make us aware of the fact that there is a God, but it cannot teach us anything more. Divine revelation is needed to know who God is. This is where the Bible comes into play. It is God's message to man. Without the Bible we would not know that there are three divine beings. We know of these beings as the Father, Son, and Holy Spirit.
Write something about yourself. No need to be fancy, just an overview.