Iain M. Duguid (PhD, University of Cambridge) is professor of Old Testament and dean of online learning at Westminster Theological Seminary and the pastor of Christ Presbyterian Church in Glenside, Pennsylvania. He has also served as a missionary in Liberia, taught at Westminster Seminary California and Grove City College, and planted churches in Pennsylvania, California, and England. He is the author of The Whole Armor of God: How Christ's Victory Strengthens Us for Spiritual Warfare.

Modern Reformation
Divide and Conquer


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The Five Solas: A Pastoral Deep Dive
Michael Horton, Justin Holcomb, Bob Hiller, and Walter Strickland discuss pastoral and real life implications for the five solas of the Reformation.

Looking Back and Looking Forward
I’ve experienced some significant anniversaries recently. Two years ago, it was the 30th anniversary of the church I serve. Last year, it was 25 years of working with Michael Horton and Sola Media. And this year, my wife and I are celebrating our 25th wedding anniversary.

What the Jews Heard at Pentecost and Why It Matters for Infant Baptism
When Peter stood up at Pentecost, his audience was entirely Jewish. What did they hear when he declared that “the promise is for you and for your children and for all who are far off, everyone whom the Lord our God calls to himself” (Acts 2:39)? What they heard would have immediately governed their covenant practice […]

A Congregation of the Passover
One cannot exaggerate just how critical the sequence of events recorded in Chapters 11, 12, and 13 of Exodus is in the history of Israel, the church, and the world. What God does, says, and reveals to his servant Moses and his covenant people still resonate with God’s people today as the Lord […]

