 But why is he doing it then? Why does he do it? One of the reasons why he does this is that when he is baptized, this institutes Christian baptism. The waters don't do anything to him. They don't sanctify him. He sanctifies the waters by coming in touch with them. And so another important thing about the baptism of Jesus that we've got to understand as well, and this is something that the Pope alluded to in a quote that I had from John Paul II a while ago,