Jn 3:14, Isa 53:10, Heb 2:9, Gen 3:15
Jesus said the hour had come for him to be glorified. Its glory is death on the cross. (Jn 12:23)
Jn 12:23 And Jesus answered them, saying, The hour is come, that the Son of man should be glorified.
It was very difficult for Jesus to face his own death. But Jesus came to this earth to die on the cross. It was to glorify God and he was to glorify himself. (Jn 12:27-28)
Jn 12:27 ow is my soul troubled; and what shall I say? Father, save me from this hour: but for this cause came I unto this hour. 28 Father, glorify thy name. Then came there a voice from heaven, saying, I have both glorified it, and will glorify it again.
In the Old Testament it was foretold that Christ would die to save us. (Isa 53:10, Gen 3:15, Jn 3:14)
Isa 53:10 Yet it pleased the Lord to bruise him; he hath put him to grief: when thou shalt make his soul an offering for sin, he shall see his seed, he shall prolong his days, and the pleasure of the Lord shall prosper in his hand.
Gen 3:15 And I will put enmity between thee and the woman, and between thy seed and her seed; it shall bruise thy head, and thou shalt bruise his heel.
Jn 3:14 And as Moses lifted up the serpent in the wilderness, even so must the Son of man be lifted up:
Jesus died on the cross to save us. (Heb 2:9)
Heb 2:9 But we see Jesus, who was made a little lower than the angels for the suffering of death, crowned with glory and honour; that he by the grace of God should taste death for every man.
Jesus cast out the ruler of the world (Satan) by dying on the cross. And He called the children of God together. (Jn 12:31-33)
Jn 12:31 Now is the judgment of this world: now shall the prince of this world be cast out. 32 And I, if I be lifted up from the earth, will draw all men unto me. 33 This he said, signifying what death he should die.