Theology In Focus

Bible studies, church history, systematic theology, and Christian apologetics by Dr. Peter J. Carter, D.Min.

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Category: Biblical Studies

An Introduction to the Book of Romans: The Gospel in Full

Posted on November 6, 2025March 16, 2026 by Dr. Peter J. Carter

Romans is Paul's most systematic presentation of the gospel. This introduction surveys the letter's background, structure, and enduring significance.

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Supplemental Study: Leading Through Suffering

Posted on November 2, 2025March 16, 2026 by Dr. Peter J. Carter

Paul's leadership in 1 Thessalonians reveals a pastor who led not from comfort but from the crucible of suffering. His example transforms how we think about ministry.

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Lesson 9: Discipleship That Looks to Eternity — 1 Thessalonians 2:17-20

Posted on October 31, 2025March 16, 2026 by Dr. Peter J. Carter

A shepherd's crown is found in the faces of the faithful at Christ's return. Dr. Carter explores 1 Thessalonians 2:17-20 on eternal reward and spiritual warfare.

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Supplemental Study: The Birth of the Thessalonian Church

Posted on October 29, 2025March 16, 2026 by Dr. Peter J. Carter

The Thessalonian church was born in the fires of persecution. Their story reveals what it means to receive the gospel with genuine faith.

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Lesson 8: Opposition to the Gospel Then and Now — 1 Thessalonians 2:15-16

Posted on October 24, 2025March 16, 2026 by Dr. Peter J. Carter

Paul warns of judgment on those who oppose the gospel in 1 Thessalonians 2:15-16. Dr. Carter explores the historical context of AD 49-50 and its relevance today.

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Lesson 7: The Word of God That Works in Believers — 1 Thessalonians 2:13-14

Posted on October 17, 2025March 16, 2026 by Dr. Peter J. Carter

How does the Word of God effectually work in believers? Dr. Carter explores 1 Thessalonians 2:13-14 on receiving Scripture by faith and suffering for the gospel.

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Lesson 6: Called into His Kingdom and Glory — 1 Thessalonians 2:10-12

Posted on October 10, 2025March 16, 2026 by Dr. Peter J. Carter

Paul calls believers to walk worthy of God's kingdom and glory in 1 Thessalonians 2:10-12. Discover what glory means and how Christians shine like stars.

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Five Things the Early Church Can Teach Us Today

Posted on October 5, 2025March 16, 2026 by Dr. Peter J. Carter

The early church faced challenges remarkably similar to our own. Their faithfulness offers timeless lessons for believers seeking to live out their faith today.

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About the Author

Dr. Peter J. Carter

Dr. Peter J. Carter is a theologian, author, and the founder of Theology in Focus. He holds a D.Min. with a concentration in theology and apologetics and has spent over two decades teaching, preaching, and writing to make theology accessible to every believer.

His work bridges the gap between the academy and the church, bringing rigorous scholarship to the service of faith. He is the author of several books on systematic theology and church history.

Learn more about Dr. Carter

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    The Discipline of Studying Church History HonestlyMarch 16, 2026
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    The Imago Dei: Why Human Life Has Unique ValueMarch 10, 2026
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    Pre-Reformers, Reformers, and the Social Transformation of Late Medieval EuropeFebruary 20, 2026
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    Christianity Is Not a Merit SystemFebruary 17, 2026

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