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.

What Is Reformed Theology? (Part 13)

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In the second petition of the Lord’s Prayer every Christian prays, “Your kingdom come, your will be done, on earth as it is in heaven” (Matt 6:10). This is an implicit recognition that we do not presently live in heaven. Continue reading →

The Last Work of a Student or the First of a Scholar?

That slogan puzzled me the first few times I heard it, but I think I understand it more clearly now. I was puzzled because the word scholar means “student.” It is a Latin word derived from the noun schola, or school. A scholar is . . . Continue reading →

Why Caution About Jonathan Edwards Is In Order

Jonathan Edwards (1703–58) is America’s most famous theologian and perhaps its most famous philosopher too. He is an important and influential figure and worth seeking to understand for these reasons alone. We should think about Edwards for other reasons, however. He is the theologian par . . . Continue reading →

Rethinking the Crusades

The History Channel reminds us that on November 27, 1095, Pope Urban II ordered the First Crusade. Before 1979 it was more difficult than it is today to imagine such a thing, a leader of a world religion ordering a military crusade to conquer . . . Continue reading →

Problems with the Presidential Prayer Breakfast

Let me be clear: I am not opposed to presidents, prayer, or breakfast. I am not opposed to praying presidents having breakfast.1 I am not opposed to prayer before breakfast. All these are good things. The annual presidential prayer breakfast, however, is . . . Continue reading →

Canonization, Saints, And Christ Our Only Mediator

The AP ran a story in October 2022 on the naming of seven new Roman “saints.” According to the story, “Two of the new saints were Americans: Kateri Tekakwitha, the first Native American saint from the U.S., and Mother Marianne Cope, a 19th-century . . . Continue reading →

On Humanizing and Dehumanizing

In The Abolition of Man, C. S. Lewis worried about the effects of replacing sin and forgiveness with disease and therapy. His chief concern is that we would lose our humanity. This remains a great concern. Recently, one of the Supremes, not Diana Ross . . . Continue reading →

What Is Reformed Theology? (Part 12)

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Our older theologians used to say that we are justified in order that we might be sanctified.1 The order in that expression was intentional. Before the Reformation many in the church had come to reverse justification and sanctification. Continue reading →

What Is Reformed Theology? (Part 11)

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Under the types and shadows of the Old Testament, before the death of Christ, circumcision was the sign of God’s covenant promise to be a God to believers and to their children. That bloody sign and seal has been replaced by a . . . Continue reading →

How Should We View the Warning Passages? (Part 2)

Having looked in part one at how the Reformed church has recognized Scripture’s distinction between the law and the gospel, we will look in this article at how this distinction plays out in warning passages. A Look at Some Warning Passages There . . . Continue reading →

What Is Reformed Theology? (Part 10)

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“Word and sacrament piety” is perhaps an expression with which you are unfamiliar. It is a shorthand way of saying that the way God has ordained to work in the lives of his people is through the ministry of the Word, chiefly . . . Continue reading →

How Should We View the Warning Passages? (Part 1)

There is concern by some in the Reformed community that there is too much emphasis on grace in the doctrine of sanctification, and not enough emphasis on obedience and even godly fear. The question has arisen about how this matter should be addressed. Continue reading →

Top Ten Posts And Podcasts Of 2025—Happy New Year From The Heidelblog!

Happy New Year from the Heidelberg Reformation Association! This is the eighteenth year of the Heidelblog, and since 2012 we have had more than 13.3 million views and four million visitors. Thank you to our loyal readers and supporters. If you are . . . Continue reading →