John 8:28 → Numbers 21:8-9

This is the second of John's three "lifted up" (ὑψόω) sayings and, like John 12:32, it draws on the bronze-serpent typology Jesus first named at John 3:14. "When you have lifted up the Son of Man, then you will know that I am He" (8:28) again deploys the ὑψόω Jesus bound to the serpent at 3:14 (Numbers' own LXX verbs are τίθημι / ἵστημι on the σημεῖον, Num 21:8-9; the mapping is John's, not Numbers') — the lifted-up sign by which the dying were healed. Here the accent falls on revelation: the very act of "lifting up" (the crucifixion the hostile leaders themselves will accomplish) becomes the moment the divine identity is disclosed — "then you will know that I am He" (ἐγώ εἰμι, the divine self-naming of Exod 3:14 / Isa 43). As in Numbers, the lifted-up object is the place where God's saving purpose is seen; what was a bronze sign on a standard becomes the incarnate Son raised on a cross. The typology holds across the five marks: analogical correspondence (an object lifted up for the eyes of those who must look), historicity, escalation (bodily healing → recognition of the I AM and eternal life), pointing-forwardness, and dominical identification (Jesus binds His "lifting up" to the same ὑψόω of 3:14). The telos resists moralism entirely: the cross is not a summons to imitate but an unveiling — the crucified One is God-with-us, and to behold Him lifted up is to know who He is and live. The serpent showed only a remedy; the Son lifted up shows the glory of God in the face of Christ (2 Cor 4:6), supremely worthy to be looked upon and trusted.