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.

Psalms, Hymns, Spiritual Songs, and Instruments In The Latin Bibles

We Reformed folk like to think that what we do now in public worship is what we have always done. This is especially easy to do when we are cut off from or unaware of the original sources and practices of our . . . Continue reading →

Law, Wisdom, And Charity: Life In A Twofold Kingdom

Under the subject line “2k” P writes, If Abraham the sojourner had no trouble making secular deals with people in Canaan, why did he refuse the offer of possessions from the king of Sodom? What would have been so wrong if the . . . Continue reading →

Heidelberg 33: God’s Eternally And Only Begotten Son And His Adopted Sons (4)

In some quarters of the patristic church and widely in the medieval church the line between God as the Creator and humans as the created became blurred. One of the more important but often overlooked accomplishments of the Reformation was to recover . . . Continue reading →

Why Millennials Have Trust Issues

The answer to why high numbers of Millennials don’t trust other people lies in understanding the nature of trust itself and the social context in which Millennials find themselves. To trust someone, you need to share common bonds of affection, values, and . . . Continue reading →

The Twofold Government And Citizenship

Cal State Has Crossed A Line

In (1559) Institutes 3.19.15 Calvin wrote that God has instituted a “twofold government in man” (duplex esse in homine regimen). This truth means that we have a legitimate interest in both sacred and secular spheres. By distinguishing between sacred and secular spheres . . . Continue reading →