covenant” (Gen. 17:13) and that the promises of the covenant will be enduring (Gen. 17:8). Every ancient covenant has a physical sign or seal attached to it. One cannot be part of the covenant and not carry the sign or seal of the covenant; they are inextricably bound. The sign and seal of the Abrahamic covenant is circumcision (Gen. 17). And circumcision is principally a sign, and a sign is a physical witness to a spiritual reality, which is the covenant relationship between God and His people. It is a sign