- In 1512, when John Calvin was only three years old and five years before Luther's 95 Theses, Oecolampadius preached that the penitent thief on the cross was "justified by faith."
- In 1516, Oecolampadius worked on Erasmus' team of scholars on the Novum Instrumentum Omne, the first edition of the (parallel) Latin-Greek New Testament on which the Reformers would come to base their interpretive work. Oecolampadius, who was asked to write the Epilogue to this seminal resource, was the only eventual Reformer to be part of this team.
- In April 1517, Oecolampadius issued, On the Paschal Laughter, an astute and multi-lingual critique of the popular misuse of the sermon for comic relief after Lent.
- From 1518 —1522, Oecolampadius produced a number of translations of the Greek fathers, including Gregory of Nazianzus and John Chrysostom, whose style of exposition inspired both Zwingli, Capito, and Oecolampadius to reclaim serial lectio continua preaching.
- In 1521, in order to counter the abuses of the confessional rite, Oecolampadius issued a liberating treatise asserting: The paradox, that Christian confession should not be onerous.
- In 1522, Oecolampadius was the first to translate the mass, read the scriptures, and preach in the vernacular, thus reforming both Word and Sacrament within a six-week span, some four months before Luther's September Testament (German New Testament) was published.
- In 1523, Oecolampadius lectured through the Book of Isaiah to packed auditoriums, using all three sacred languages: Hebrew, Greek, and Latin; he also preached a continuous exposition of 1John more thoroughly than anyone in the Christian era, including Augustine, had done before. Both became landmark works of biblical interpretation that were applauded in Wittenberg and thus represent the height of Reformed scholarship in the early period of evangelical unity.
- On March 19, 1525, Oecolampadius began his sermon, "On the Power of Christ over Satan," with the following: "The singular failing in which is all misfortune is ignorance of God and of ourselves." Eleven years later, in the same month (March 1536), the first edition of Calvin's Institutes was published, which began: “Nearly all the wisdom we possess, that is to say, true and sound wisdom, consists in two parts: The knowledge of God and of ourselves.”
- c. 1525-26, Oecolampadius drafted and circulated the Kinderbericht — the earliest children's catechism — from the Reformation; this would later, after his death, be developed into the Basel Confession of 1534.
- In the final pages of his recent biography of Zwingli, Yale professor Bruce Gordon acknowledges that between Oecolampadius and Zwingli, the former was the stronger theologian.
Curating the biblical and Reformed theological traditions in order "to make the Word of God fully known"
Wednesday, October 7, 2026
Founding documents of the Reformed tradition: Works of Oecolampadius (5 vols.)
Monday, September 14, 2026
Two more reasons to read Oecolampadius' Sermons on the First Epistle of John
(1) Oecolampadius has replaced Zwingli as the most important first-generation (Swiss) German Reformer. In case you missed it, Yale professor Bruce Gordon, in his recent biography of Zwingli, pronounces Oecolampadius the stronger theologian. Sadly, in recent centuries, English-speaking heirs of the German Reformed tradition — "German" referring to the language the first Swiss Reformers spoke; their reforming work, by and large, was not done in Germany per se, but in the Swiss cities and cantons along the Rhine — have been cut off from the tradition's most important founding father. But just last year several seminal works of Oecolampadiana (in addition to my own) appeared: a translation of his piece critiquing "the Paschal laughter" (i.e., preachers clowning it up in the pulpit), the complete collection of his correspondence with Zwingli, et al. Oecolampadius studies is a burgeoning field and not a moment too soon. (See below.)
(2) The Sermons on the First Epistle of John (preached in Advent 1523, published in the spring of 1524) represent the evangelical movement (i.e., early 16th c. Protestantism) at its most unified. Although the first-generation Reformers would gradually come to some strong disagreements over the sacrament of the Lord's Supper (1525-1528), resulting in a rupture at Marburg (1529), there was a time when the Lutherans in Wittenberg were applauding the Reformer of Basel for his lectures on Isaiah and his Sermons on 1John (both unfolding in 1523-24). There had even been talk of hiring Oecolampadius to join the faculty at Wittenberg. The cracks would begin to appear in late 1524 with debates over Karlstadt's tracts criticizing Luther on the sacraments, but those would take some time to develop.
These days, my social media feed is awash in attacks on Calvinism. Many of these are likely from bots, others from those who have little understanding of Reformed theology. I also see many good-hearted souls rushing to its defense.
Behind Calvinism, of course, are not only the Westminster Standards, but Calvin himself and the Institutes. Behind Calvin himself (a second-generation Reformer) stands the first generation of Reformers, and prior to the disagreements that beset the first-generation at Marburg, the evangelical movement looked with unanimous approval on this "Handbook for the Christian Life." In many ways, the series on the First Epistle of John represents the most mature distillation of the Gospel from a unified evangelical movement: from Oecolampadius as the chief expositor of the (Swiss) German Reformed, with the unanimous endorsement and congratulations of the Lutherans in Wittenberg. It was a moment of notable Christian unity marked by the Spirit, when the Gospel was clearly distinguished from the corruption of the Roman church at the time.
There is a lot to be said for going back to the source material, especially this source material, which epitomizes the very best of the Protestant tradition (no less than one third of the global church). More than that, it represents the critical moment when, homiletically speaking, the Reformation grasped the baton from the ancient church (from Chrysostom, in particular)—the Eastern and evangelical movements connecting for a brief moment to jolt preaching itself back to life. And yet, this pivotal series has only been available to English-speaking readers since 2017.
Sunday, July 19, 2026
Volksfaßliche Vorträge über den ersten Brief Johannis
Dies ist die beste mir bekannte Bibelauslegung, die die Grundlagen des Christentums in kompakter Form vermittelt. Der Schweizer Reformator bezeichnete den Ersten Johannesbrief als Schrift, die „das reinste Evangelium“ enthalte. Luther sagte Ähnliches über den Römerbrief, doch der Erste Johannesbrief umfasst nur fünf Kapitel, und der Prediger behandelt dieses Buch gründlicher als jeder seiner Vorgänger, einschließlich Augustinus. Diese Predigtreihe erfreute sich bei ihrem ersten Erscheinen außerordentlicher Beliebtheit. Sie prägte die Predigtpraxis in Basel über Generationen hinweg und war zweifellos auch Calvin wohlbekannt; er ließ die erste Ausgabe seiner „Institutio“ in demselben Haus drucken, in dem zuvor schon Oekolampad an so vielen seiner eigenen Übersetzungen und sonstigen Publikationen gearbeitet hatte. Wer nach einer frischen Darlegung des Wesens des Christentums sucht, nach einer gehaltvollen und konsequent biblischen Erklärung des Evangeliums, nach einer Besinnung auf das, was letztlich zählt, oder nach einem fundierten Text für den Konfirmandenunterricht oder die Einführung neuer Gemeindeglieder – für all das ist dieses „Handbuch für das christliche Leben“ genau das Richtige.
Monday, March 24, 2025
One more reason Oecolampadius offers the needed refresher course in Christianity: "New life brings repentance."
Here are two sentences that occur near the end of Oecolampadius' "Sermon on the Healing of the Blind Man at Jericho," which — after a very long interruption — I only just finished translating yesterday: "Neither ashes, nor fasting, nor external work grant any justice that is valid before God. New life produces repentance, so that we would no longer sin." The latter sentence is hugely important and merits the following footnote (which will appear, Lord willing, in a forthcoming publication of the whole translation):
Poenitentiam facit nova vita, ita ut non amplius peccemus. The nominative here is clearly nova vita. Poenitentiam, in the accusative case, is the direct object, while the verb peccemus is subjunctive. The cause-and-effect sequence here is striking: it is not that repentance has cajoled new life from God. Rather, we no longer wish to sin because the gift of new life has brought about repentance. This reordering—grace before repentance—would become Karl Barth’s great discovery 400 years later, before he himself would make his way to Basel.
The pedantic footnote is warranted because, when I ran the sentence through every online translator I could find, every one of them reordered the sentence completely incorrectly: "Repentance brings new life," they said. Wrong. Meanwhile, I have had in my files for some time the unpublished translation of a friendly Latin teacher which, when I consulted it, confirmed that, yes, indeed (according to his rendering): "It is the new life that brings about penitence."
So what accounts for this persistently ass-backwards way of translating a text that clearly and unambiguously articulates the proper ordo salutis? Is it a malevolent ghost in the translation machine? I would not necessarily rule it out. Or, more likely, is it that the crowd-sourced theology of Christians the world over, the popular theology that feeds AI algorithms and in effect teaches the machine, is so bad that the machine assumes it must overrule plain, clear, straightforward grammar with eisegesis and crank out bad translations to support bad theology?
Either way, once again, we see how Oecolampadius warrants careful study and fresh translation (without over-reliance on machine translation), for he was not only every bit as important and ground-breaking as Luther was in his day, he was not only way ahead of his time (vis-a-vis Barth), he also offers a much needed refresher in Christianity to a church that so often misunderstands and misrepresents its own theology that the emerging class of robot teachers are likewise learning it and teaching it wrongly.
P.S.: Where this post impinges on preaching Year D, the primary text that should come to mind is Romans 2:4.
Saturday, December 14, 2024
Oecolampadius, On the Easter Laughter
Benny Grey Schuster evidently issued his German rendering of this multilingual piece in 2019, but without any explicit reference to the Reformer in the title. It was called: Das Osterlachen. Darstellung der Kulturgeschichte und Theologie des Osterlachens sowie ein Essay über die kulturelle, kirchliche und theologische Verwandlung des Lachens. It was translated into German from the Danish version by Eberhard Harbsmeier.
The English version appeared this year (2024) by Peter Lang, under the title: The History of Easter Laughter: Johannes Oecolampadius' 'De risu paschali' from 1518 with an Introduction, Annotated Translation, and an Account of the Cultural, Ecclesiastical, and Theological Transformation of Laughter.
Wednesday, November 20, 2024
December 1 is the anniversary of this monumental series and a good day to start reading one sermon per day
... or six sermons per week (leaving out Sundays, if you want to be exact), which will take you to Christmas Eve.
This December 1 is the 501st anniversary of the beginning of the preaching of the series, which was published in 1524. (So in terms of publication, it is still the 500th, if anyone else is keeping track.)
Here is the hardcover at B&NPress, here is the paperback at Amazon, here is the Kindle, and here is the playlist of introductions to the series. See previous post for the soundtrack to the videos.
Backing tracks for The Reformation of Preaching
If you have enjoyed the soundtrack behind "The Reformation of Preaching," i.e., the 30-minute introduction to Oecolampadius' Sermons on the First Epistle of John, or the music in the short five-minutes introductions to the individual sermons, here is the record from which those instrumental tracks were taken.
The album is called The Great Western Road, named for the three-part guitar suite of the same name. That suite was written in stages in the period 1991-1994. Strange how some gifts come seemingly overnight or in a matter of minutes, while others take years and years.
Thursday, November 7, 2024
Oecolampadius' Sermon on Luke 11 (Third Sunday in Lent, 1525)
Just finished translating this sermon preached in Basel in 1525. Here is the first sentence:
"The singular failing in which all misfortune occurs is ignorance of God and of ourselves. But if we knew how good and powerful he is, and indeed how wretched and weak we are, we would have instituted [institueremus] a much different life."
That sounds strikingly similar to the opening sentence of Calvin's Institutes, the first edition of which emerged eleven years later, in the same city. But to be fair, Oecolampadius' sermon was only published by his successor Myconius in 1536, the same year that Calvin's Institutes first appeared in Basel. But until I have time to investigate it, I can only imagine the conversations between the two (Myconius the editor and successor to the Basel reformation and Calvin the second generation Reformer who would make his way to Geneva).
Here is another line from the sermon that should be instructive to everyone, especially preachers:
"... no one speaks properly who does not treat God as holy."
Amen to that.
Monday, October 7, 2024
At the headwaters of the Reformed tradition
... we have this summary statement from Karl Barth's colleague on the Divinity faculty at the University of Basel:
Luther becomes a reformer because he cannot reach the assurance of salvation in the system of the Roman Catholic church; Oecolampadius becomes a reformer because, in the Roman Catholic church, he does not find the new creature in Christ sufficiently realized. For Luther it is about justification; Oecolampadius says in connection with 1Thessalonians 4:3, “God’s will is our sanctification.” With Luther, faith stands in the foreground, with Oecolampadius, that which flows from faith, the “piety,” the “sanctity,” the “charity,” both individually and in the totality of the “mystical body of Christ.” Luther represents a Christianity more strongly characterized by Paul, Oecolampadius by John.
—Ernst Staehelin, Breakthrough to the Reformation, pp. 128-129.
In case you were ever wondering what it means to belong to the Reformed tradition, this, I would suggest, is what it originally meant.
Wednesday, November 29, 2023
This Friday, December 1, marks 500 years from the first sermon delivered in this pivotal series on 1John
Friday, December 1, 2023, marks the 500th anniversary of the beginning of this sermon series of twenty-one sermons by Oecolampadius preached every evening during Advent in December 1523 (leaving out Sundays, but leading upon toe Christmas Eve). Though it was a weekday (evening) series, the lectio continua style of straightforward, comprehensive Bible teaching (1) represented an historic reclamation of patristic expository preaching, and (2) set the standard that would be implemented by ordinance in all the pulpits of Basel some five years after these sermons were published. Though Oecolampadius was gone by the time Calvin arrived in Basel, every church in town was ringing with the form of preaching offered here. There can be no doubt that Calvin will have had a copy of the series, which sold through several editions in multiple languages very quickly. Surely for this reason, among others, Oecolampadius can be called, and indeed he has been called, Calvin's "spiritual father."
Not only are the sermons lively, accessible, and illuminating, Oecolampadius' selected book of the Bible, The First Epistle of John, proves a perfect focal point for this Advent series, for a fresh approach to the then-current debates over the doctrine of justification, and as he himself says, the book is a veritable "Handbook for the Christian Life."
Here is the playlist of videos consisting of one 30-minute introduction to "The Reformation of Preaching" and 16 very short intros to the individual (or occasionally groups of) sermons:
https://www.youtube.com/playlist?list=PLZZ9pVHWq-xaT3XJ5qBOIwmzg55ZPLx4X
Kindle available at Amazon:
Paperback available at Amazon:
Hardcover available at Barnes & Noble:
Tuesday, November 28, 2023
The First Year in Basel (corrected edition is up)
Corrected edition is up, just as the last days of 2023 (500th anniversary of Oecolampadius' first year in Basel) tick down.
The First Year in Basel contains the earliest German mass (published three years before Luther's), the next nine letters between Oecolampadius and Zwingli (the first two having appeared in previous volume: The Sermon on the Vernacular and the Correspondence with Hedio), excerpts from the famous Isaiah lectures, three prefaces to his Chrysostom translations (including those to the Psegmata and the 66 Genesis homilies), the four Theses for a Disputation, a painful rant from Capito against his colleague Hedio and Oecolampadius' pastor response, and his long letter to Bernhard Adelmann On the Distributions of Alms (or not discriminating among the poor). All (or most of it) "first-time-in-English" stuff. Perhaps the latter might make for instructive reading in Basel at the Bank of International Settlements? That may be too much to hope for. But certainly Presbyterian "Matthew 25" churches should read this.
Wednesday, November 30, 2022
499 years old, now going on 500
This historical and pivotal sermon series began on December 1, 1523. It evidently ran right up through Christmas Eve.
2023 would be a great time to have a Bible study on 1John, with Oecolampadius' sermon series to guide you.
Here is a playlist of 17 videos consisting of a 30-min Introduction and sixteen short summaries by Oecolampadius' leading biographer, Ernst Staehelin (a contemporary colleague of Karl Barth); the summaries are newly translated and read as introductions to Bible Study sessions.
Meanwhile, as further evidence of just how groundbreaking this series was, check out this link; notice whose name appears first and notice the categories:
Tradition = Reformed and Genre = Sermon / Sort = Date (Oldest)
The title in question is the third on the list. The first is Oecolampadius' translation of a patristic sermon, the second is a collection of three sermons from 1521, which merit translation, but do not quite represent the full breakthrough to the Reformation, as they were produced while he was still in the monastery.
For the hardcover version of the Sermons on the First Epistle of John, and also for additional translations of related material, ... these Works of Oecolampadius are appearing at Barnes & Noble.
First Year in Basel
This latest volume in the series, The First Year in Basel, fills the gap between Sown on Rock: The Sermon on the Vernacular and the Correspondence with Hedio, and the Sermons on the First Epistle of John (A Handbook for the Christian Life).
[Links to images lead to paperbacks. Links in the paragraph above lead to hardcover options.]
Wednesday, February 16, 2022
"Sown on Rock": Oecolampadius' Sermon on the Vernacular (1522) is finally — after 500 years — in English translation
The whole of Oecolampadius 1522 correspondence is included here, as is the balance of his letters with Hedio through 1525. Among the latter is Hedio's (1524) Foreword to his German translation of Oecolampadius' Sermons on the First Epistle of John. In the generous Supplement to this new volume the reader also finds the first English translation of Ernst Staehelin's exhaustive and groundbreaking 1916 essay on Oecolampadius' translations of the patriarchs.
Dedicated with thanksgiving to the Triune God for preachers of the Word everywhere.
Thursday, October 8, 2020
Return to God: Historical and Modern Confessional Sources for the Renewal and Regathering of the Church
My latest book gathers a number of sources together that (1) are previously unpublished or are translated here into English for the first time, (2) have struck me as important both in their original time and context and (potentially) for our time and place, (3) share a common confessional conviction (in both the "penitential" and the "professional" sense), and (4) may be of particular value as the Church shakes off it Covid shackles and regathers to pray, sing (!), worship, celebrate the sacraments, and breath in the Holy Spirit together.
Two sermons from the American Awakenings are here: one by Gilbert Tennent (First GA) on how we should listen to sermons, and another by Samuel Miller (Second GA) on the glory of the Gospel.
Several first-ever English translations are also included (which I mention here in reverse chronological order):
- the long prayer from the London journal of the brilliant critic of the Enlightenment, Johann Georg Hamann;
- a prayer of confession "for more difficult times" from Oswald Myconius (the successor to Oecolampadius in Basel)
- three pieces from the Oecolampadius corpus:
- A Litany to God the Father (a clear attempt to reform the rosary in a more orthodox direction, this is a wonderful tool for commiting the life, work, and ministry of Jesus to memory)
- Questions and Answers for the Examination of Children (a child's catechism)
- Discourse at the Synod of Basel (1531), delivered not long before the Reformer's death and culminating in his own Profession of Faith.
- the opening and closing prayers of confession from the 1520 edition of Jodocus Windsheim's Confession of a Repenting Christian, to which Oecolampadius provided the preface. Earlier editions of this piece have roots going back to at least early 1517. It made a big impression on Oecolamapadius, who later wrote his own attempt to reform the penitential rite.
Wednesday, July 8, 2020
A short, basic introduction to John Oecolampadius
Monday, December 3, 2018
Errata Corrected
Friday, October 27, 2017
Open the aperture and read backwards: Primary (but often overlooked) sources of theology from the Reformations
Friday, September 29, 2017
Kindle version is live
Monday, September 25, 2017
A genuinely fresh angle on the Reformation
"Perhaps the most consequential series on 1John ever preached and one of the earliest examples of a complete expository series from the Swiss Reformation, these sermons mark Oecolampadius’ arrival as the leading voice of the evangelical movement in Basel. As Ernst Staehelin noted, here in the 1John series the Reformer “for the first time organizes the reformatory message in a comprehensive manner.” Preached over the course of twenty-one consecutive evenings in Basel’s St. Martin’s Church in December of 1523, this popular Advent series ran through six print editions in two years. More than any single series, it set the standard for Basel’s program of lectio continua preaching which, with allowance made for the main feasts of the Christian year, became the norm for the Sunday service as well. In these sermons, modeled after the Reformer’s important translations of Chrysostom and delivered concurrently with his famous lectures on Isaiah, he explains the pressing doctrines the congregation asked him to address: Are we indeed justified by faith, and if so, then what is the role of works in the Christian life? In response, Oecolampadius provides, among other things, a biblically rich and theologically lucid Johannine complement to Luther’s labors on the Pauline doctrine of justification and a strong claim, ringing even in the final sentence, that the presence of Christ issues in works of love. Anyone seeking a fresh perspective on the preaching of the Reformation, an understanding of the chief homiletical corrective of the age, a clear articulation of basic Christian doctrine and the ordo salutis, or even (in the words of the Reformer himself) “an enchiridion for the Christian life,” will find fresh and ample inspiration in this vital but forgotten classic which, after 500 years, appears here in English for the first time."






