What this text, 4Q521, shows is that Jesus Himself had messianic expectation. He knew perfectly well what He was doing. He was doing the tasks of the Messiah. So when John’s friends ask Him, “Are you really the Messiah?” He can say, “Just tell him what you see me doing and things you’re hearing about me. I am doing the works of the Messiah.” Jesus then summarizes it: opening the eyes of the blind, raising the dead, cleansing lepers, proclaiming good news to the poor. The idea was that John would