 That it assures us of how our faith is used to unite us to Christ is key. It certainly does not assure us of our possession of faith itself (there was an excellent discussion on that here); rather, because of its objectivity as a physical sign, it points us to the objectivity and unshakable nature of what we have in Christ if we do possess that faith. The Belgic Confession and Heidelberg Catechism do an excellent job at explaining this:
From BC 34: Quote: |
In this way he signifies to us that just as water washes away the dirt of the body when it is poured on us and also is seen on the body of the baptized when it is sprinkled on him, so too the blood of Christ does the same thing internally, in the soul, by the Holy Spirit. It washes and cleanses it from its sins and transforms us from being the children of wrath into the children of God.
| HC 69-73: Quote:
Question 69. How art thou admonished and assured by holy baptism, that the one sacrifice of Christ upon the cross is of real advantage to thee?
Answer: Thus: That Christ appointed this external washing with water, adding thereto this promise, that I am as certainly washed by his blood and Spirit from all the pollution of my soul, that is, from all my sins, as I am washed externally with water, by which the filthiness of the body is commonly washed away.
Question 70. What is it to be washed with the blood and Spirit of Christ?
Answer: It is to receive of God the remission of sins, freely, for the sake of Christ's blood, which he shed for us by his sacrifice upon the cross; and also to be renewed by the Holy Ghost, and sanctified to be members of Christ, that so we may more and more die unto sin, and lead holy and unblamable lives.
Question 71. Where has Christ promised us, that he will as certainly wash us by his blood and Spirit, as we are washed with the water of baptism?
Answer: In the institution of baptism, which is thus expressed: "Go ye, therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost", Matt.28:19. And "he that believeth, and is baptized, shall be saved; but he that believeth not, shall be damned.", Mark 16:16. This promise is also repeated, where the scripture calls baptism "the washing of regenerations" and the washing away of sins. Tit.3:5, Acts 22:16.
Question 72. Is then the external baptism with water the washing away of sin itself?
Answer: Not at all: for the blood of Jesus Christ only, and the Holy Ghost cleanse us from all sin.
Question 73. Why then does the Holy Ghost call baptism "the washing of regeneration," and "the washing away of sins"?
Answer: God speaks thus not without great cause, to-wit, not only thereby to teach us, that as the filth of the body is purged away by water, so our sins are removed by the blood and Spirit of Jesus Christ; but especially that by this divine pledge and sign he may assure us, that we are spiritually cleansed from our sins as really, as we are externally washed with water.
| The Westminster Larger Catechism also gets at the same concept: Quote:
Question 167: How is our Baptism to be improved by us?
Answer: The needful but much neglected duty of improving our Baptism, is to be performed by us all our life long, especially in the time of temptation, and when we are present at the administration of it to others; by serious and thankful consideration of the nature of it, and of the ends for which Christ instituted it, the privileges and benefits conferred and sealed thereby, and our solemn vow made therein; by being humbled for our sinful defilement, our falling short of, and walking contrary to, the grace of baptism, and our engagements; by growing up to assurance of pardon of sin, and of all other blessings sealed to us in that sacrament; by drawing strength from the death and resurrection of Christ, into whom we are baptized, for the mortifying of sin, and quickening of grace; and by endeavoring to live by faith, to have our conversation in holiness and righteousness, as those that have therein given up their names to Christ; and to walk in brotherly love, as being baptized by the same Spirit into one body.
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