church listen to and appropriate this Word, share in all these riches, and therefore are certainly children of God. The second mark of the true church consists of the use of the sacraments of baptism and the Lord’s Supper. With respect to baptism, it is a sign and seal that the sins of those who have received it are washed away in the blood of our Lord Jesus Christ and that as baptized people they are engrafted and incorporated into Christ’s death and resurrection, that they are born again, and that