Indeed if the proposition were thus laid, it would hold good: As we know not who sincerely covenanteth for himself, and yet we must baptize all that soberly profess it; so we know not who doth sincerely covenant for his infant, and yet must baptize all whom the parents bring with such a profession, for themselves and them.
But if the sincere dedication of a sound believer, shall be accounted but equal to the lying profession of the adult, which is neither commanded, nor hath any promise, then infants are not in the covenant of grace, nor is the sincerest dedication to God either commanded or hath any promise.
If I were but sure that the profession of the adult for himself were sincere, I were sure that he were in a state of grace. And if I am not sure of the same concerning the parent's dedication of his infant, I must conclude that this is not a condition of the same covenant, and therefore that he is not in the same covenant (or conditional promise of God) unless there be some other condition required in him or for him; but there is no other that can be devised.
Object. Election is the condition.
Answ. Election is God's act and not man's; and therefore may be an antecedent, but no condition required of us. And man is not called to make profession that he is elected, as he is to make profession of his faith and consent to the covenant. And God only knoweth who are his by election, and therefore God only can baptize on this account.
And what is the probability which the objecters mean, that many of the infants of the faithful are elected? Either it is a promise, or but a prediction; if no promise, it is not to be sealed by baptism; if a promise, it is absolute or conditional. If any absolute promise, as, I will save many children of believers, 1. This terminateth not on any singular person, as baptism doth, and, 2. It is not the absolute promise that baptism is appointed by Christ to seal. This is apparent in Mark xvi. 16, and in the case of the adult. And it is not one covenant which is sealed to the adult by baptism, and another to infants. Else baptism also should not be the same. But if it be any conditional covenant, what is it, and what is the condition?
And what is it that baptism giveth to the seed of believers, if they be not justified by it from original sin? You will not say, that it conveyeth inherent sanctifying grace, no not into all the elect themselves, which many are many years after without. And you cannot say, that it sealeth to them any promise, so much as of visible church privileges; for God may suffer them presently to be made janizaries, and violently taken from their parents, and become strangers and despisers of church privileges, as is ordinary with the Greek's children among the Turks. Now God either promised such church privileges absolutely, or conditionally, or not at all. Not absolutely, for then they would possess them. If conditionally, what is the condition? If not at all, what promise then doth baptism seal to such, and what benefit doth it secure? God hath instituted no baptism, which is a mere present delivery of possession of a church state, without sealing any promise at all. True baptism first sealeth the promise, and then delivereth possession of some benefits.
Yea, indeed outward church privileges are such uncertain blessings of the promise, that as they are but secondary, so they are but secondarily given and sealed, so that no man should ever be baptized, if these were all that were in the promise.[279] The holiest person may be cast into a wilderness, and deprived of all visible church communion; and doth God then break his promise with him? Certainly no. It is therefore our saving relations to God the Father, Son, and Holy Ghost, which the promise giveth, and baptism sealeth; and other things but subordinately and uncertainly as they are means to these. So then it is plain, that believers' infants have a promise of salvation, or no promise at all, which baptism was instituted to seal.
I have said so much more of this in my Appendix to the "Treatise of Infant Baptism," to Mr. Bedford, in defence of Dr. Davenant's judgment, as that I must refer the reader thither.
8. I think it very probable that this ascertaining promise belongeth not only to the natural seed of believers, but to all whom they have a true power and right to dedicate in covenant to God; which seemeth to be all that are properly their own, whether adopted or bought; but there is more darkness and doubt about this than the former, because the Scripture hath said less of it.