Why Jesus Does Miracles

I seem to be taking a very circuitous route (as you may have noticed) to the question of why we might think that the author of the Gospel of John had access to a written source that gave him his information about the “signs” that Jesus did during his public ministry. To get to that point, I have been discussing how John’s view of Jesus’ spectacular deeds differed significantly from the view of the Synoptics. I have stressed that whereas in John Jesus does signs in order to prove that he is th...