John 3:13 in the King James Version
And no man hath ascended up to heaven, but he that came down from heaven, even the Son of man which is in heaven.
Context
12 If I told you earthly things and you don’t believe, how will you believe if I tell you heavenly things?
13 No one has ascended into heaven but he who descended out of heaven, the Son of Man, who is in heaven.
14 As Moses lifted up the serpent in the wilderness, even so must the Son of Man be lifted up,