11. Very truly I tell you, we speak of what we know, and we testify to what we have seen, but still you people do not accept our testimony.
12. I have spoken to you of earthly things and you do not believe; how then will you believe if I speak of heavenly things?
13. No one has ever gone into heaven except the one who came from heaven – the Son of Man.
14. Just as Moses lifted up the snake in the wilderness, so the Son of Man must be lifted up,