This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.
Ver. 6. That came by water and blood] So to fulfil and answer the legal washings and sacrifices; so to signify that he justifieth none by his merit but whom he sanctifieth by his Spirit; and so to set forth the two sacraments of the New Testament. See Trapp on " Joh 19:34 "