About R. Scott Clark

R. Scott Clark is the President of the Heidelberg Reformation Association, the author and editor of, and contributor to several books and the author of many articles. He has taught church history and historical theology since 1997 at Westminster Seminary California. He has also taught at Wheaton College, Reformed Theological Seminary, and Concordia University. Read more» He has hosted the Heidelblog since 2007.

We Have Met The Enemy And He Is Us (Part 2)

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Paul knows and affirms to the church at Corinth that the pagan world surrounding them was comprised of the sexually immoral, swindlers, the greedy, revilers, drunkards, and idolaters, but they (and the culture they created) were not his concern. What concerned Paul was not what was happening out there but what was happening in here, in the Corinthian congregation. It was not the gross sexual immorality of the pagans in Corinth that kept him up at night. Continue reading →

These Are Not Illinois Nazis

At Synod Calgary, held June 8–11 by the United Reformed Churches in North America (URCNA),1 as delegates debated whether or how to adopt a statement that had been adopted by several other sister churches, one pastor rose to say that three families . . . Continue reading →

It Was Not So From The Beginning: What Nature And Grace Teach Us About Same-Sex Attraction

It is being argued in some evangelical quarters that same-sex attraction (SSA) or homosexual attraction is “natural” and that it SSA (sexual desire for someone of the same sex) is not per se sinful. One writer who defends this view quotes John Cheever who said that . . . Continue reading →

We Attain Heaven Through Faith Alone (Part 1)

For decades John Piper has taught the substance of what he wrote in the preface to Tom Shreiner’s 2015 book, Faith Alone: The Doctrine of Justification. The claim is that Christians should believe that we “attain heaven” by more than faith, i.e., by . . . Continue reading →

On Traveling From Münster To Geneva

In 1535 the Reformation was about fourteen years old. The Protestants had gained some legal status within the empire, but the existence of the movement was by no means secure. Internally, it was wracked with dissension over the moral and theological implications . . . Continue reading →

What Is Reformed Theology? (Part 14)

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It is a great temptation to think that the same God who created and sustains us, who so loved us that he gave his only begotten Son for us (John 3:16), who granted to us new life and true faith, who has . . . Continue reading →

New Resource Page: For Ruling Elders

The faithful service of the ruling elder is most valuable. Paul says, “Let the elders who rule well be considered worthy of double honor, especially those who labor in preaching and teaching” (1 Tim 5:17). One of the most important things Paul . . . Continue reading →

Contra Webbon et al.: Denying That Jesus Is A Jew Denies His True Humanity (Part 2)

webbon shields mar 2026

Before the Apostles’ Creed was fully formed, the ancient postapostolic church confessed the “rule of faith” (regula fidei). One of the first places we see the rule is in Irenaeus’s Against Heresies, which dates to about AD 180. Book 1 included this . . . Continue reading →