My church has ministered in the local prison for twenty-five years or more. The call came from inside the prison. As I remember the story, an inmate became convinced of the Reformed faith through literature he had obtained and contacted a publisher . . . Continue reading →
Heidelberg Catechism
Video: What’s the Difference Between Covenant Theology And Dispensationalism?
What are some of the differences between Covenant Theology and Dispensationalism? Why are there so many debates over Covenant Theology? Dr. Harrison Perkins joins Pastor Adriel Sanchez to discuss some of themes in his two recent books, Reformed Covenant Theology: A Systematic . . . Continue reading →
Video: Righteous by Design and Created for Communion
In this rich theological conversation, Camden Bucey welcomes Dr. Harrison Perkins—pastor, scholar, and author—to discuss his two latest books: Righteous by Design: Covenantal Merit and Adam’s Original Integrity (Christian Focus) and Created for Communion with God: The Promise of Genesis 1–2 (Lexham . . . Continue reading →
Video: Ascension, Mystery, And Benefits (Heidelberg Catechism Lord’s Day 18)
This video is from the evening worship service at New Life Presbyterian Church of La Mesa on May 4, 2025. Continue reading →
R. Scott Clark On The Heidelberg Catechism: A Short Review
To say that this is a lifetime’s work by an elite historical theologian may be an understatement. Professor R. Scott Clark, who has taught Historical Theology at Westminster Seminary in California for decades, has been working on this project for decades. He . . . Continue reading →
That He Might Bear In His Humanity
Already in the New Testament, the church faced one of its greatest and deadliest heresies: the denial of Jesus’ humanity. The Greeks had room for men becoming gods and human-like behavior by the gods, but they had no room for a God-Man. Continue reading →
Coming In 2025: The Heidelberg Catechism: A Historical, Theological, & Pastoral Commentary
The Heidelberg Catechism: A Historical, Theological, & Pastoral Commentary (Bellingham, WA: Lexham Press, 2025) is available for pre-order now. The original and irreplaceable commentary on the catechism was composed of lectures given by the catechism’s primary author, Zacharias Ursinus (1534–83) but over . . . Continue reading →
Review: My Only Comfort: The Heidelberg Catechism For Devotional Reading By Amanda Martin
The Heidelberg Catechism (1563) is naturally suited for devotional use. Its devotional qualities have been recognized almost from the instant it was first published. How many people who know virtually nothing else about the catechism know all or part of the first . . . Continue reading →
Fesko: Arminius Was A Synergist
The alpha point of Arminius’s synergistic conception of salvation is marked by his use of the facientibus—the sinner who is always ready to embrace the grace of God because of universal prevenient grace—and the omega point is marked by his understanding of . . . Continue reading →
Imaginary Differences: Part 2
Against the “fanatics”—early Anabaptists such as Thomas Müntzer, as well as spiritualists and Libertines, who claimed to receive additional revelations directly from the Spirit, apart from the Scriptures—Calvin wrote. . . Continue reading →
Imaginary Differences: Part 1
Let us begin with God’s Word as the Reformed in the classical period typically read and even heard it—in Latin: ergo fides ex auditu auditus autem per verbum Christi (“Therefore faith is from hearing and hearing through the Word of Christ,” Rom 10:17). Continue reading →
New! Complete Audio Version Of The Belgic Confession
The Belgic Confession (1561) is one of the Three Forms of Unity (including the Heidelberg Catechism and the Canons of Dort) and is the confession of the Reformed churches. It was written by Guy de Bres (1522–67), a minister of the Reformed . . . Continue reading →
New! Complete Audio Version Of The Heidelberg Catechism
The Heidelberg Catechism (1563) is one of the treasures of the Reformation. Synthesized from several pre-existing catechisms including Luther’s Small Catechism (1529), Theodore Beza’s Confession (1558), Calvin’s Institutes (1559), catechisms by Johannes Brenz (1499–1570), Johannes a Lasco (Jan Łaski, 1499–1560), and chiefly . . . Continue reading →
Happy 460th Birthday To The Heidelberg Catechism!
This is the Heidelblog and we are all about the Heidelberg Catechism (1563). On this day, in 1563, the Catechism was published in German. If you are unfamiliar with the Catechism or catechisms generally you should know that a catechism is a . . . Continue reading →
What is Your Only Comfort?
Americans know in their heart of hearts they are going to die, but they do not like to admit it. It is a mark of our post-Christianity that this culture is so obsessed with youth and beauty. Most folk do not die . . . Continue reading →
A Q&A with the Heidelberg Catechism
Zacharias Ursinus, the chief architect of the Heidelberg Catechism, in the introduction of his commentary on the aforementioned, asked, “What is the doctrine of the church?” The doctrine of the church is the law and gospel, “the law and gospel are the . . . Continue reading →
Heidelminicast: Heidelberg Catechism 129—What Does ‘Amen’ Mean?
The Heidelberg Catechism is one of the most beloved and well used catechisms to emerge from the sixteenth and seventeenth century Reformation. Published in its final form in 1563, the catechism has been used by millions of Christians to teach the faith . . . Continue reading →
Heidelminicast: Heidelberg Catechism 128—How Do You Close This Prayer?
The Heidelberg Catechism is one of the most beloved and well used catechisms to emerge from the sixteenth and seventeenth century Reformation. Published in its final form in 1563, the catechism has been used by millions of Christians to teach the faith . . . Continue reading →
Heidelminicast: Heidelberg Catechism 127—What Is The Sixth Petition Of The Lord’s Prayer?
The Heidelberg Catechism is one of the most beloved and well used catechisms to emerge from the sixteenth and seventeenth century Reformation. Published in its final form in 1563, the catechism has been used by millions of Christians to teach the faith . . . Continue reading →
Heidelminicast: Heidelberg Catechism 126—What Is The Fifth Petition Of The Lord’s Prayer?
The Heidelberg Catechism is one of the most beloved and well used catechisms to emerge from the sixteenth and seventeenth century Reformation. Published in its final form in 1563, the catechism has been used by millions of Christians to teach the faith . . . Continue reading →













