Reformed paedobaptists view the new covenant as an extension of the old covenant, not as its replacement,[1] although as I argued before, the new covenant is discussed in terms of replacing the Mosaic covenant. However, in Reformed paedobaptist thought the newness of the new covenant is usually thought to refer to external aspects only. For example, Jeffrey Niell notes, “The newness of the new covenant pertains to the external aspects, the outward administration, of the covenant of grace. The new covenant is not new in its nature of membership.”[2] In other words, “The transition from the old covenant to the new covenant is a smooth unfolding of God’s redemptive plan, because the two covenants are organically connected—they are essentially one covenant of grace.”[3] However, an examination of the texts concerning the new covenant leads one to observe there are significant qualitative differences between the old and new covenants.[4] Although there…