THIS IS MY BODY(Question 75)
It is important to remember when we discuss the sacraments, that these are not some rituals that the church has made up. They were actually appointed by Christ Himself. In the sacrament of baptism, we see Christ initiating the new covenant that began with circumcision in the Old Testament. In those days, a baby boy would be shown to have the mark of God upon him by the act circumcision. In the New Testament, this covenant promise was continued by the sacrament of Baptism.