infants of believing parents also be baptized? Arguments in favor of infant baptism include these. 1. The circumcision argument. Colossians 2:11–12 clearly links circumcision and baptism. Since infants were circumcised under the Old Covenant, they should be baptized under the New Covenant. The argument rests on the covenant theology concept of a single covenant of grace that involved an initiatory rite into that covenant, the rite being circumcision in the Old Testament and baptism in the New. These