And no man has ascended up to heaven, but he that came down from heaven, even the Son of man who is in heaven.
All Commentaries on John 3:13 Go To John 3
Hippolytus of Rome
AD 235
7. If, again, he allege His own word when He said, "I and the Father are one".
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And at Pentecost so as to presignify the kingdom of heaven as He Himself first ascended to heaven and brought man as a gift to God.