John 12:33

The Passion Translation

He said this to indicate that he would die by being lifted up on the cross.

Cross References

John 18:32

(This was to fulfill the words of Jesus when he predicted the manner of death that he would die.)

John 21:19

(Jesus said this to Peter as a prophecy of what kind of death he would die, for the glory of God.) And then he said, “Peter, follow me!”