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

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Category: Theology

Explore foundational Christian doctrines, biblical teachings, and theological insights. Dive into topics like the nature of God, salvation, eschatology, and the parables of Christ.

The Cosmological Argument: Why the Universe Points to God

Posted on October 12, 2025March 16, 2026 by Dr. Peter J. Carter

From Aristotle's Unmoved Mover to the modern Kalam argument, the cosmological argument remains one of the most powerful cases for the existence of God.

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Understanding Justification by Faith

Posted on October 8, 2025March 16, 2026 by Dr. Peter J. Carter

At the heart of the gospel stands a doctrine that changed the world: justification by faith alone in Christ alone. Understand what Paul meant and why it still matters.

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Why Theology Matters for Every Believer

Posted on October 1, 2025March 16, 2026 by Dr. Peter J. Carter

Theology is not reserved for professors and seminarians. It belongs to every believer who opens the Word of God. Discover why sound doctrine matters for your daily life.

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The Parable of the Sower

Posted on February 14, 2025March 16, 2026 by Dr. Peter J. Carter

/* TIF v3.0 Override */ .entry-meta,.blog-data-wrapper,.post-data-divider,.post-data-positioning,.post-data-text,.posted-on,.byline{display:none!important;visibility:hidden!important;height:0!important;overflow:hidden!important;margin:0!important;padding:0!important} .single .entry-meta,.single-post .entry-meta,.single .blog-data-wrapper,.single-post .blog-data-wrapper{display:none!important} header#masthead .site-branding .site-title,header#masthead .site-branding .site-title a,header .site-title,header .site-title a,.sheader .site-title,.sheader .site-title a,h1.site-title,h1.site-title a,.site-title,.site-title a,.site-title a:link,.site-title a:visited,.site-title a:hover{color:#ffffff!important;visibility:visible!important;opacity:1!important} The Parable of the Sower The Condition of Our Hearts The setting of this profound parable transports us to the shores of the Sea of Galilee. The...

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Restoring What Was Lost: The Work Started on Calvary (Part 4 of 16)

Posted on November 3, 2024March 16, 2026 by Dr. Peter J. Carter

Series: Restoring What Was Lost, Part 4 of 16 Scripture Text: John 19:30 For three weeks, we have surveyed the damage. We have examined the inheritance Adam forfeited, the slavery into which humanity was sold, and the illegitimate rule of Satan over this fallen world. The picture has been grim, and intentionally so. You cannot...

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Restoring What Was Lost: Satan Is a Squatter (Part 3 of 16)

Posted on October 27, 2024March 16, 2026 by Dr. Peter J. Carter

Series: Restoring What Was Lost, Part 3 of 16 Scripture Texts: Genesis 3:17-19; Luke 4:6 Over the past two weeks, we have traced humanity’s fall from two vantage points: first, the forfeiture of Adam’s inheritance, and second, the selling of humanity into slavery to sin. But there is a third dimension to the catastrophe of...

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Restoring What Was Lost: Adam Sold Humanity to Be the Slave of Sin (Part 2 of 16)

Posted on October 20, 2024March 16, 2026 by Dr. Peter J. Carter

Series: Restoring What Was Lost, Part 2 of 16 Scripture Text: Romans 3:23 Last week we began our series by examining the inheritance that Adam forfeited in the Garden of Eden, a stewardship over all the earth, lost through disobedience. But the consequences of Adam’s fall did not stop at the loss of property. Something...

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Restoring What Was Lost: Adam Gave Up His Inheritance (Part 1 of 16)

Posted on October 13, 2024March 16, 2026 by Dr. Peter J. Carter

In This Article Toggle Series: Restoring What Was Lost, Part 1 of 16 Scripture Text: Genesis 3:17–19 This article inaugurates a journey through one of the most sweeping narratives in all of Scripture: the story of what humanity lost in the Garden of Eden and how Christ, through His redemptive work, restores every last portion...

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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.

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  • Already Judged: Why John 3:17-18 Cannot Be Reduced to a 'Do Better' Gospel
  • Guided by Elimination: What Paul's Closed Doors Teach About Divine Guidance
  • The Holiness of God and the Death of Uzzah
  • Saved by Faith Alone, But Not by a Faith That Is Alone
  • Who Gets to Select? The Problem of Selective Patristic Citation

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  • Already Judged: Why John 3:17-18 Cannot Be Reduced to a 'Do Better' GospelMay 3, 2026
  • Guided by Elimination: What Paul's Closed Doors Teach About Divine GuidanceApril 21, 2026
  • The Holiness of God and the Death of UzzahApril 21, 2026
  • Saved by Faith Alone, But Not by a Faith That Is AloneApril 6, 2026
  • Who Gets to Select? The Problem of Selective Patristic CitationMarch 31, 2026

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