a. The Scriptural basis for infant baptism. It may be said at the outset that there is no explicit command in the Bible to baptize children, and that there is not a single instance in which we are plainly told that children were baptized. But this does not necessarily make infant baptism un-Biblical. The Scriptural ground for it is found in the following data:
(1) The covenant made with Abraham was primarily a spiritual covenant, though it also had a national aspect, and of this spiritual covenant circumcision was a sign and seal. ….
(2) This covenant is still in force and is essentially identical with the “new covenant” of the present dispensation. The unity and continuity of the covenant in both dispensations follows from the fact that the Mediator is the same, Acts 4:12; 10:43; 15:10,11; Gal. 3:16; I Tim. 2:5,6; I Pet. 1:9-12; the condition is the same, namely, faith, Gen. 15:6; (Rom. 4:3); Ps. 32:10; Heb. 2:4; Acts 10:43; Heb. 11; and the blessings are the same, namely, justification, Ps. 32:1,2,5; Isa. 1:18; Rom. 4:9; Gal. 3:6, regeneration, Deut. 30:6; Ps. 51:10, spiritual gifts, Joel 2:28,32; Acts 2:17-21; Isa. 40:31, and eternal life, Ex. 3:6; Heb. 4:9; 11:10. ….
(3) By the appointment of God infants shared in the benefits of the covenant, and therefore received circumcision as a sign and seal. …
(4) In the new dispensation baptism is by divine authority substituted for circumcision as the initiatory sign and seal of the covenant of grace. Scripture strongly insists on it that circumcision can no more serve as such, Acts 15:1,2; 21:21; Gal. 2:3-5; 5:2-6; 6:12,13,15. If baptism did not take its place, then the New Testament has no initiatory rite. But Christ clearly substituted it as such, Matt. 28:19,20; Mark 16:15,16. It corresponds with circumcision in spiritual meaning. As circumcision referred to the cutting away of sin and to a change of heart, Deut. 10:16; 30:6; Jer. 4:4; 9:25,26; Ezek. 44:7,9, so baptism refers to the washing away of sin, Acts 2:38; I Pet. 3:21; Tit. 3:5, and to spiritual renewal, Rom. 6:4; Col. 2:11,12. The last passage clearly links up circumcision with baptism, and teaches that the Christ-circumcision, that is, circumcision of the heart, signified by circumcision in the flesh, was accomplished by baptism, that is, by that which baptism signifies. Cf. also Gal. 3:27,29. But if children received the sign and seal of the covenant in the old dispensation, the presumption is that they surely have a right to receive it in the new, to which the pious of the Old Testament were taught to look forward as a much fuller and richer dispensation. Their exclusion from it would require a clear and unequivocal statement to that effect, but quite the contrary is found, Matt. 19:14; Acts 2:39; I Cor. 7:14.