For You: Certain Salvation In The Sacraments

The connection between the Word of God and something physical and tangible does not necessarily differentiate the ministry of the Word and the Sacrament for Martin Luther. But perhaps the function of the sacraments in the Christian life does differentiate them.  The difficulty in most Protestant accounts of justification is a kind of monism of the auditory Word of God.1  The believer hears the Word of God and appropriates it by faith.  Luther would not disagree with this, but he extends the principle to the sacraments as well.  Sacraments are visible promises, and promises must be believed.

Christians retain their sinful nature, which tempts them into unbelief. As a result, when believers rely upon the ministry of the Word of God alone without the complement of the sacraments, doubts about individual appropriation of the gospel can creep in.  How does one know with certainty that the divine Word was meant for him or that he has actually received it? 

The typical Protestant response has been to attempt to demonstrate faith’s authenticity through supplementary signs of the Spirit’s interior work.  The problem is that all these alleged signs of the Spirit’s work can be easily faked, either consciously or unconsciously.  By contrast, Luther sees the sacraments as ways of redirecting the sinner away from his own subjective doubt and into the objectivity of the Gospel promise in the tangible means of grace.  In one fascinating passage in The Sacrament: Against the Fanatics of 1526, Luther writes:

When I preach his [Christ’s] death, it is in a public sermon in the congregation, in which I am addressing myself to no one individually; who grasp it, grasps it.  But when I distribute the sacrament, I designate it for the individual who is receiving it; I give him Christ’s body and blood that he may have forgiveness, obtained through his death and preached in the congregation.  This is something more than the congregational sermon; for although the same thing is present in the sermon as in the sacrament, here there is the advantage that it is directed at definite individuals.  In the sermon one does not point out or portray any particular person, but in the sacrament it is given to you and to me in particular, so that the sermon comes to be our own.  For when I say: “This is the body, which is given for you, this is the blood which is poured out for you for he forgiveness of sins,” I am therefore commemorating him; I proclaim and announce his death.  Only it is not done publicly in the congregation but is directed at you alone.2

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Reconciliation through the Spirit in the Means of Grace

The same Spirit that raised Jesus from the dead works through the Word and Sacrament ministry of the Church to share the universal and objective “not guilty” verdict of the Father. This verdict comes through the message of the death and resurrection of the Messiah.  Those who receive the proclamation of justification by faith secure the very presence of the risen Jesus in the power of the Spirit.  As the great cosmic judge, the Son of Man, Jesus now mediates the same verdict and presence he proleptically shared with the eschatological Israel in his earthly ministry through the Church. 

The Church is defined by the means of grace to which Jesus has attached his Name, that is, his presence.  Therefore, to be in contact with the means of grace is to both be in contact with the risen Jesus, and his body/bride the Church.  The Church and the Divine Service (Gottesdienst) is the replacement for the Temple (Eph. 2:19-22) and its service. This is because the Church and its Divine Service are now the body of Jesus, the true eschatological Temple in the flesh (Jn. 1:14).  As the Son of Man, Jesus proleptically elected and worked justification in the midst of the outcastes of Israel.  He told his hearers beforehand what verdict he would render on them in light of their belief or unbelief in his words of judgment and grace.1

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Luther on Christ’s Real Presence in the Eucharist

Although Luther affirmed the substantial presence of Christ’s body and blood in the Eucharist, he disliked the doctrine of transubstantiation because it contradicts 1 Corinthians 10:16 which states that the bread and wine remain in the Lord’s Supper as the medium by which one receives Christ’s substantial body and blood.[1]  Luther considers the entire idea of transubstantiation an Aristotelian rationalization of the mystery of how the body and blood of Christ can become present through the bread and the wine.[2] 

In spite of this criticism of transubstantiation, it is interesting to note that Luther does not consider belief in the doctrine to be tremendously problematic and allows that people could still affirm transubstantiation as a theologoumenon.[3]  What is most important to the Reformer is that one affirms the substantial presence of Christ’s flesh and blood in the Lord’s Supper.  Although how one conceptually achieves this mysteriously physical presence is not unimportant, the main point for Luther is that one knows that Christ is substantially present in his body and blood “for you” (pro me).[4] 

This is why Luther was considerably less tolerant when it comes to the sacramental symbolicism of a figure like Zwingli.[5]  From Luther’s perspective, Zwingli ignores the divine promise that Christ’s flesh and blood will be present on essentially rationalistic grounds, namely, that physical bodies cannot be at more than one location at once.  As we have seen Luther rejects this logic and affirms that Jesus’ body remains a real body. However, it participates in God’s glory and can transcended the normal boundaries of physicality.[6]  After all, in the resurrection Jesus was able to walk through walls and appear and disappear at will.  Jesus’ body nevertheless remained a real body.  Christ could still invite Thomas to place his fingers in the nail holes of his very real hands and eat fish with the apostles.  Likewise, the mysterious supernatural quality of Christ’s body in the Lord’s Supper does not negate its real physicality or his genuine humanity. 

As we noted earlier, these differences between Luther and Zwingli on the sacrament are due in part to competing concepts of the communicatio idiomatum.[7]  Nevertheless, these differences also have implications regarding the nature of how the Word of God functions.  For Zwingli, the words of institution are signifiers that merely signify.[8]  Zwingli resolves the puzzle of how the signifiers “body and blood” can be validly applied to the signified “bread and wine” (which they do not match) through sacramental symbolicism.[9]  For Luther, divine words are not mere signifiers, but promises that effect what they speak.[10] This is the same principle that we have seen earlier in his views of confession and absolution.  Hence the words “this is my body . . . this is my blood” possess divine power to bring about the presence of Christ’s flesh and blood.[11]  Faith must simply trusts that God’s words perform what they promise.  To believe otherwise would be to trust in human reason over the God’s clearly stated promises.[12]


[1] LW 36:33-4.

[2] LW 36:34-5.

[3] LW 36:35.

[4] Paul Althaus, The Theology of Martin Luther, trans. Robert Schultz (Philadelphia: Fortress Press, 1966), 379.

[5] Lohse, Martin Luther’s Theology, 169-77; Sasse, This is My Body, 134-294.

[6] Thomas Davis,  This Is My Body: The Presence of Christ in Reformation Thought (Grand Rapids: Baker Academic, 2008), 41-64; Sasse, This is My Body, 148-60.

[7] Sasse, This is My Body, 148-54.

[8] See discussion in: Aaron Moldenhauer, “Analyzing the Verba Christi: Martin Luther, Ulrich Zwingli, and Gabriel Biel on the Power of Words,” in The Medieval Luther, ed. Christine Helmer (Tübingen: Mohr Siebeck, 2020), 53-6.

[9] Ulrich Zwingli, “On the Lord’s Supper,” in Zwingli and Bullinger, 175-238.

[10] Moldenhauer, “Analyzing the Verba Christi,” 57-61.

[11] LW 37:180-88.

[12] LW 37:131.


From the draft manuscript for Jack D. Kilcrease, Justification by Word (Lexham Press, forthcoming).

Sex and the Sacraments

Because our bodily presence and trustworthiness are inexorably tied together in human experience, physicality represents a key manner in which humans inculcate fidelity.  Physical intimacy within marriage best exemplifies this truth and is especially relevant to our study in light of the biblical motif of YHWH/Christ as the bridegroom to the people of God (Jer. 31:32, Isa. 54:5, Hos. 2:7, Eph. 5).  Christians have always rejected pre-marital sex and adultery not only because of the destructive consequences of disease and heartache, but because giving one’s self physically over to one’s spouse is the ultimate pledge of one’s loyalty and fidelity.  To give one’s body to another is to give one’s very being.  If one gives their very physical being away haphazardly, either for the sake of a pleasant weekend or in an affair, how can ultimate fidelity ever be established?[1]  If one gives away his very enfleshed self to anyone who strikes his fancy, nothing will be left over to give to one’s spouse as an ultimate pledge.  This is why the explanation that an act of infidelity was “just sex” is never convincing to the wronged partner. 

Therefore, bodily self-gift is a necessary means of giving assurance of fidelity to the absolute promise of Christ the bridegroom of the Church.  It is not sufficient to treat the sacraments as small, symbolic tokens of love in the manner of a husband who occasionally gives trinkets to his wife.[2]  Any relationship may be poorer without gestures like these small gifts, but a marriage is not a marriage in a biblical sense without fleshly consummation and unity (Gen. 2:24, Eph. 5:31).  Through fleshly self-giving one “knows” (yada) one’s spouse, that is, they gain a real participatory knowledge of their very physical being.  In the same manner, we can be no more certain of our justification and eternal life than to physically receive the very flesh and blood that was sacrificed for humanity on the cross (1 Cor. 11:26) and raised in anticipation of the general resurrection (Jn. 6:54).  There is no ambiguity as to whether or not one is justified by the work of Christ when Christ himself is present and gives believers that same body and blood that was sacrificed for them on the cross.  Just as baptism is a proleptic realization of the last judgment, so too paschal feast of the Lord’s Supper is the proleptic realization of the final bridal feast of the Lamb at the end of time (Rev. 19:6-9).


[1] Robert Jenson, Systematic Theology, 2 vols. (New York: Oxford University Press, 1997-1999), 2:91-2.

[2] Carl Trueman’s analogy for the sacraments.  See: Carl Trueman, Grace Alone: Salvation as a Gift of God (Grand Rapids: Zondervan, 2017), 213-4.


From the draft manuscript for Jack D. Kilcrease, Justification by Word (Lexham Press, forthcoming).