Verse 20 Some persons, in those days, were inclined to believe that John the Baptist was himself the Messiah. This is intimated in Luke 3:15; and decisive evidence of it is contained in the writings of the early Christians. It was to meet and refute this error, that the evangelist thus repeatedly and emphatically adduces the testimony of John the Baptist in favor of Jesus. (Comp. John 1:8,15,)