[2.] And not without a cause hath the Evangelist mentioned, that they of the Pharisees who were with Him heard these things, and said, “Are we blind also?” but to remind thee that these were the men who first withdrew from and then stoned Him, for they were persons who followed Him superficially, and who easily changed to the contrary opinion. How then doth He prove that He is not a deceiver, but a Shepherd? By laying down the distinguishing marks both of the shepherd, and of him who is a deceiver and a spoiler, and from these affording them opportunity of searching into the truth of the matter. And first He showeth who is a deceiver and a spoiler, calling him so from the Scriptures, and saying,