Baptized in the Substantial Blood of Jesus – Literally

Johann Gerhard asserts that the word and the water do not merely mediate the presence of the Triune God. The sacrament also conveys the presence of the risen man Jesus, who possesses a hypostatic unity with the second person of the Trinity. Jesus is not merely present according to his divinity, but also according to his deified and, therefore, omnipresent humanity. The substantial blood of the risen Jesus is literally present in the waters of baptism, which cleans us from our sins. Gerhard writes:

[T]he Son of God in the fullness of time took upon Himself a true human nature and united Himself with it in an indissoluble link. Thus it further follows that He is present at Baptism not only according to His divinity, but also according to His assumed human nature. And especially the blood of Christ is not to be excluded from holy Baptism: 1. Because the Son of God’s true human nature also assumed flesh and blood, in which, with which, and through which His human nature now performs all His works; 2. because the power of holy Baptism arises and springs forth from the merits of Christ and from the shedding of His blood as it occurred on the timber trunk of the cross; 3. Because in holy Baptism we were washed from sins through the blood of Christ; 4 because we were baptized into Christ’s death.  Now, however Christ’s death also includes His shedding of blood.1 

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Theology by Grace Alone through Faith Alone

Theology is fundamentally about knowing and confessing the Triune God through faith in his Word (Rom. 10:9). God the Holy Spirit works to create saving faith through the Word. Such faith is in no way the byproduct of human will or activity (Rom. 10:17, 1 Cor. 2:14-16). Scripture does allow that a natural knowledge of God accessible to all people exists (Ps. 19, Rom. 1-2). Yet, this philosophical recognition of God and his reality is not theology in its proper sense. At best, the natural knowledge of God is a partial, garbled knowledge that the sinful human heart will manipulate according to its own purposes. Since God saves by faith through grace alone, so too the theology that gives rise to that faith comes by grace alone.  

In this vein, the early Lutheran theologian Johann Gerhard (1582 – 1637) spoke of theology as a “practical habitus” that God implanted in the human heart and mind.  In the Aristotelian philosophy of the day, a “habitus” was an aptitude for developing a habitual behavior, such as a virtue. Gerhard argued that God’s grace made theology possible by means of the Holy Spirit working on the heart and mind of the theologian. This divine action enables readers to fully apprehend the truths present in the text of Scripture. Of course, the theologian might still draw on his own humanly acquired knowledge when studying Scripture. However, only God’s Spirit and the gifts that he bestows allows the theologian to properly apprehend the content and unity of the Faith. Such a divinely given “aptitude” is “practical” because its ultimate end is the proclamation of the grace of God in Christ through Word and Sacrament. 


From the draft manuscript for Lutheran Dogmatics: The Evangelical-Catholic Faith for an Age of Contested Truth (Lexham Press).


Cover image from: Tom Nash, “What Are Inspirations of the Holy Spirit?,” Catholic Answers, accessed June 23, 2025, https://www.catholic.com/qa/what-are-inspirations-of-the-holy-spirit; other image from Chantal LaFortune, “Sacred Scripture Unveiled,” Holy Apostles College & Seminary, December 8, 2023, accessed June 23, 2025, https://holyapostles.edu/sacred-scripture-unveiled/.

Words are Sacraments and Sacraments are a Kind of Word

In other words, for Luther, the Eucharist (and by implication Baptism as well), confirms for the individual what the word universally proclaims. The word of the gospel is addressed to everyone in the congregation, and therefore it is possible to worry that this promise may not apply to you as an individual, or you have not genuinely received it by faith. Nevertheless, the Lord’s Supper contains within it the same promise and presence of the risen Jesus as the sermon. For Luther, words are sacraments and sacraments are a kind of word. The difference between the sermon and the sacrament is that the latter is applied to the individual who directly receives it. When reflective faith invariably worries about whether or not one has individually received Jesus and his promise of forgiveness, the believer may rely on the sacraments to give them assurance. There can be here no doubt that you have personally received the promise in the form of the sacrament since it was you as an individual who heard the promise and consumed the elements. By receiving the Eucharistic elements, the promise and presence of Jesus are given to you as an in tangible and physical way that draws you out of your subjectivity and enthusiasm (Did I truly believe? Did I truly receive the promise?) to the objectivity of the gospel.

The Word Present For You in the Lord’s Supper

From the draft manuscript for Jack D. Kilcrease, Justification by Word: Restoring Sola Fide (Lexham Press, 2022), 303-304.

Image from “Icon-of-Christ-the-Holy-Communion,” Catholic Stewardship Consultants, August 2, 2018, https://www.catholicsteward.com/2018/08/02/stewardship-bulletin-reflection-august-19-2018/icon-of-christ-the-holy-communion/.

Luther On Christ’s Substantial Eucharistic Presence For You

The gospel is a unilateral divine self-donation, in that an unconditional promise means a gift of the promiser himself in order to fulfill the terms of the promise. Therefore, Christians who receive the unilateral promise of the gospel are heirs to Christ’s very sacrificed person as a guarantee that he is at their disposal to fulfill his promise. This means that through the promise of the gospel we inherit Christ and everything that he possesses. Indeed, as Paul states, all true believers in union with Christ are “fellow heirs with Christ” (Rom 8:17). This reality is manifest in the Lord’s Supper wherein Christ wills his very physical being (body and blood) through which he brought salvation to believers. Therefore, to paraphrase Luther, in dying Jesus gives the inheritance of his body and blood to believers in order that they might receive the forgiveness of sins and eternal life through his promise attached to them.1

Returning to On the Babylonian Captivity of the Church, Luther’s second major difficulty with the medieval conception of the Eucharist is the doctrine of transubstantiation.2 The doctrine of transubstantiation teaches that the bread and the wine in the Lord’s Supper are transformed by the words of institution into the body and blood of Christ, although the outward appearance and qualities of bread and wine (Aristotelian “accidents”) remain intact.3 Although Luther affirmed the substantial presence of Christ’s body and blood in the Eucharist, he disliked the doctrine of transubstantiation the 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.4 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.5

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Justification by the Word

Lexham Press will be publishing my newest book, Justification by the Word: Restoring Sola Fide, relatively soon. If interested, you can pre-order at Lexham’s website. Here’s a snippet from the introduction:

Book cover art from Lexham

According to [Phillip] Cary, this unreflective faith is possible for Luther because of his belief in the sacramentality of the word.1 Here Cary echoes the work of the German Luther scholar Oswald Bayer, who claims that it was in fact the sacramentality of the word, and not justification by faith, that was central to the so-called Reformation breakthrough.2 The word of justification is objectified in both in preaching and the sacraments in such a way as to shift the focus from authentic appropriation of God’s grace to the question of the surety of God’s promise. Since the risen Jesus is genuinely present in the means of grace, he is capable of mediating a direct assurance of his justifying grace for sinners who look for him there. The tendency of believers to reflect upon and worry about the authenticity of their faith is seen by Luther as a sinful resistance to Jesus’s promise that they have already been accepted. Therefore, instead of “justification through faith” it might be appropriate to characterize Luther’s position as “justification by the word.”

In this book, we will endeavor to show that, although it has been neglected and misunderstood by Protestants and Catholics alike, Luther’s “justification by the word” is a better model for understanding salvation in Christ. It will be argued that this is not only the case because it is more faithful to the teachings of the Scriptures, but also because it is the only doctrine of salvation that fully succeeds in de-centering the self and overcoming the self-incurvature of sin (incurvatus in se). As Luther himself observes in his Galatians commentary of 1531: “This is the reason why our theology is certain, it snatches us away from ourselves and places us outside ourselves, so that we do not depend on our own strength, conscience, experience, person, or works but depend on that which is outside ourselves, that is, on the promise and truth of God, which cannot deceive.”3


[1] Phillip Cary, “Why Luther is Not Quite Protestant: The Logic of Faith in a Sacramental Promise,” Pro Ecclesia 14, no. 4 (2005): 447–486. Also see similar argument in Phillip Cary, The Meaning of Protestant Theology: Luther, Augustine, and the Gospel That Gives Us Christ (Grand Rapids: Baker Academic, 2019), 258–62.

[2] Oswald Bayer, Martin Luther’s Theology: A Contemporary Interpretation, trans. Thomas Trapp (Grand Rapids: Eerdmans, 2008), 52–53; and Bayer, Promissio: Geschichte der reformatorischen Wende in Luthers Theologie (Gottingen: Vandenhoeck & Ruprecht, 1971), 240–41.

[3] LW 26:38


From the draft manuscript for Jack D. Kilcrease, Justification by Word: Restoring Sola Fide (Lexham Press, 2022).