Did Calvin’s Theology, Piety, and Practice Need To Be Rounded Out With Müntzer’s?

Thomas Müntzer (c. 1489–1525) was a university-trained pastor and theologian. Martin Luther recommended him to be the pastor of St Catharine’s Church in Zwickau (117 km south of Leipzig). There he came into contact with three fiery souls, Nicholas Storch (c. 1500–25), Thomas . . . Continue reading →

Beza On Sanctification (1570)

Q133 Therefore, explain fully this sanctification of ours in Christ. A133 Something is said to be sanctified which is segregated from common pollution, so that it is most pure, and wholly consecrated to God the greatest adversary of all filth. Therefore, in . . . Continue reading →

Richard Baxter On Initial And Final Justification Through Faith And Works

The magisterial Protestant churches (i.e., the Lutheran and Reformed) and their theologians did not speak of, teach, or confess a “two-stage” doctrine of justification or even a “two-stage” doctrine of salvation (justification, sanctification, and glorification). Yet, today, one sees leading evangelical and . . . Continue reading →

Regensburg and Regensburg II: Trying to Reconcile Irreconcilable Differences on Justification

Introduction When in 1618 the Reformed theologian J. H. Alsted (1588–1638) declared that the Protestant doctrine of justification is that “article of faith by which the church stands or falls” (articulus stantis et candentis ecclesiae), he was only repeating what all Protestants . . . Continue reading →

Did Ursinus Teach Final Salvation Through Faith And Works?

Zacharias Ursinus (1534–83) was the principal author of the Heidelberg Catechism (1563). He was responsible for perhaps as much as 70% of the catechism, though the two source documents that he created, from which much of the catechism was formed, drew from . . . Continue reading →

Resources On Instruments In Worship

Below are gathered the quotations, posts, and essays from the Heidelblog on the history, theology, and practice of instruments in public worship. Continue reading →

Office Hours: Aquinas Among The Protestants

Office Hours Video

Thomas Aquinas (c.1224–74) was one of the most important Christian teachers in the period and though he was eclipsed in the centuries after, his work returned to prominence in the 16th–19th centuries particularly among Roman theologians, for whom Thomas became the theologian . . . Continue reading →

The Reformed Churches Confess Infant Baptism

Some years back I published a book review in the pages of Modern Reformation magazine. Some responded with a letter to the editor complaining that I had distinguished between the Reformed churches and the Baptist churches. My revised response is below. § . . . Continue reading →

Are The Remonstrants Heretics?

This question comes over the transom regularly. I think most confessional Reformed pastors would probably say that, though they disagree strongly with Arminianism, it is not heresy. Somewhere I read (or heard) that William Ames (1576–1633),   who served as an advisor . . . Continue reading →

Two New Popular Biographies Of Zwingli

Since this is the 500th anniversary of Martin Luther’s 95 Theses (October 31, 1517) this has been understandably designated the “Luther Year.” There were, however, other figures in the Reformation, who made their own contribution. Huldrych (or Ulrich) Zwingli (1484–1531) is among . . . Continue reading →

Sola Scriptura Contra The Anabaptists In 1523–24

In his second disputation with Balthasar Hubmair, in 1523, Huldrych Zwingli well articulated the formal principle of the Reformation: “For in all controversies concerning faith and religion, the divine Scripture alone ought to be our measure and rule rather than oral tradition.” . . . Continue reading →

New: Peter Martyr Vermigli For Children

In our age of screens (phones, tablets, computers, watches etc) it is counter-intuitive but nonetheless true to say that books are more important than they have been for a long time. They are more important precisely because our culture is drifting away . . . Continue reading →