11 Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen; and ye receive not our witness.
12 If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?
13 And no man hath ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.
John 3:11-13
Jesus was conceived in Mary according to (Matthew 1:20).
Since no man hath ascended up to heaven, but he that came down from heaven then he couldn't have been talking about himself since he states in John 20:17 that he had not ascended into heaven.
Jesus saith unto her, Touch me not; for I am not yet ascended to my Father: but go to my brethren, and say unto them, I ascend unto my Father, and your Father; and to my God, and your God. John 20:17
KJV
Yet we know the Holy Ghost had came down from heaven since the as his mother Mary was espoused to Joseph, before they came together, she was found with child of the Holy Ghost.
And later at his baptism, who descended upon Jesus ? So did the Holy Ghost say, "Thou art my beloved Son" or did the voice come from heaven?
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