Paul tells us that there is one God, and that there is one mediator between God and men. This mediator is Jesus Christ: “For there is one God, and one mediator between God and men, the man Christ Jesus; Who gave himself a ransom for all, to be testified in due time.” (1 Tim. 2:5-6)
In all of God’s dealings with the human family, Jesus the Son represents his Father. Jesus often speaks in first person on behalf of the Father. He explained to his disciples that when he spoke to them he did not speak of himself, but words of the Father: “Believest thou not that I am in the Father, and the Father in me? The words that I speak unto you I speak not of myself: but the Father that dwelleth in me, he doeth the works.” (John 14:10)
Jesus told the disciples how he was one with the Father and said that they also would someday understand this kind of unity. (John 14:20) Jesus then repeated that he speaks the words of the Father: **“And the word which ye hear is not mine, but the Father’s which sent me.” (John 14:24) **
With this understanding, the testimony of John the Baptist may enlighten us concerning the God of the Old Testament:
"John bare witness of him, and cried, saying, This was he of whom I spake, He that cometh after me is preferred before me: for he was before me. And of his fulness have all we received, and grace for grace. For the law was given by Moses, but grace and truth came by Jesus Christ. No man hath seen God at any time; the only begotten Son, which is in the bosom of the Father, he hath declared him." (John 1:15-18)
John the Baptist was testifying of Jesus, who would come after him, when he said that “he was before me.” John was referring to Old Testament times, when “the law was given by Moses,” and told them that it was Jesus Christ who had appeared to the prophets. For they had never seen God (the Father) at any time but bore record of the only begotten Son, who is in the bosom of the Father. Jesus Christ had declared the Father unto them.
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