The purpose of these declarations was not to elucidate the nature of the Father, but to solidify the Nephite understanding of who the Messiah is. Therefore, the resurrected Jesus declares that he was the very one who had been on earth: “I came unto my own.” In spite of having been mortal, he is yet Jehovah, the “beginning and the end.” That is a definition of God.
Most importantly, Jesus announces two important facts. First is that through his teachings he has given to all the chance to become “sons of God.” The second is that: “in me is the law of Moses fulfilled.”