What Is the Church? Part 3 | The Doctrine of the Church (Lesson 3)
Release Date: 12/15/2025
Reformed Forum
In this episode we welcome church historian Stephen Presley to explore the life, theology, and enduring relevance of Irenaeus of Lyons. Writing in the latter half of the second century, Irenaeus emerges not merely as a polemicist against Gnosticism but as a deeply pastoral theologian—one whose doctrine, biblical interpretation, and ecclesial commitments were inseparably bound to the life of the church. Presley highlights Irenaeus’s vision of Scripture as a unified, Christ-centered story, summed up in his doctrine of recapitulation: all things find their meaning, coherence, and redemption...
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On today’s episode of Theology Simply Profound, Rob and Bob continue to walk through the Book of Daniel. In chapter 4, we read of the dream given to Nebuchadnezzar wherein a large protective tree bearing much fruit is chopped down, it’s branches lopped off, it’s leaves stripped, and it’s fruit scattered. What’s all this about? Well, Daniel provides yet another interpretation for Nebuchadnezzar.
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This is the second lesson in Dr. Lane G. Tipton’s Reformed Academy course, The Theology of Heaven in the Book of Hebrews. This lesson covers the following topics: Colossians and the Expanded Interpretation of Genesis 1:1 Encoronation and Endoxation Related Encoronation in Isaiah 6:1–4 Register for this free on-demand course on our website to track your progress and assess your understanding through quizzes for each lesson. You will also receive free access to dozens of additional video courses in covenant theology, apologetics, biblical studies, church history, and more: Your...
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In this episode of Christ the Center, Camden Bucey and Lane Tipton discuss a deceptively brief but theologically weighty section of Geerhardus Vos’s Biblical Theology, exploring Jesus’ critique of first-century Jewish ethics. Far from addressing merely surface-level moral failures, Vos shows that Jesus exposes a deeper religious collapse—one marked by practical deism and pervasive self-centeredness. When God’s glory is displaced as the center of ethical life, obedience becomes external, fragmented, and ultimately irreligious. This conversation presses the listener to consider...
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The story of the healing of the paralytic is a picture of God’s work of redemption through Jesus Christ. We are healed—saved—not because we merit favor, but because of the grace of God. Their faith is demonstrated by their works, but their works do not save them. True saving faith is an instrument of justification.
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This is the first lesson in Dr. Lane G. Tipton’s Reformed Academy course, The Theology of Heaven in the Book of Hebrews. This lesson covers the following topics: Vos on the Relation and Distinction Between Heaven and Earth Vos on Heaven as the Supreme Reality Kline on the Endoxation of the Holy Spirit Register for this free on-demand course on our website to track your progress and assess your understanding through quizzes for each lesson. You will also receive free access to dozens of additional video courses in covenant theology, apologetics, biblical studies, church history, and...
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In this episode of Christ the Center, we welcome Josiah Leinbach to discuss William Whitaker’s —a monumental sixteenth-century defense of sola Scriptura, newly edited and republished by Prolego Press. Written in 1588 against leading Roman Catholic theologians such as Robert Bellarmine, Whitaker’s work offers a comprehensive treatment of Scripture’s authority, canon, clarity, and sufficiency. Leinbach explains how Whitaker combined Renaissance humanism with scholastic rigor, engaging Scripture, church history, and patristic sources to show that Protestant convictions...
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This is the seventh and final lesson in Dr. James Cassidy's Reformed Academy course, The Doctrine of the Church. This lesson covers the following topics: On Gender and Church Office The Connected Church Areas of Jurisdiction: Governing Doctrine Areas of Jurisdiction: Governing Worship Areas of Jurisdiction: Government and Discipline Conclusion Register for this free on-demand course on our website to track your progress and assess your understanding through quizzes for each lesson. You will also receive free access to dozens of additional video courses in covenant theology, apologetics,...
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In this episode, Camden Bucey and Marcus Mininger reflect together on Resurrection and Redemption by Richard B. Gaffin, Jr.—a work that has profoundly shaped Reformed biblical theology over the past half century. Rather than offering a technical review, the conversation unfolds as a guided meditation on the book’s central claim: that Christ’s resurrection is not a theological afterthought but the controlling center of Paul’s soteriology and eschatology. Gaffin’s careful exegesis helps readers see how redemption is inseparable from resurrection life in union with the risen Christ....
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This is the sixth lesson in Dr. James Cassidy's Reformed Academy course, The Doctrine of the Church. This lesson covers the following topics: The Structure of Church Government: Preliminary Considerations The Elders: Preliminary Considerations Presbuteroi How Many Offices? Overseers (Episkopos) The Deacons Register for this free on-demand course on our website to track your progress and assess your understanding through quizzes for each lesson. You will also receive free access to dozens of additional video courses in covenant theology, apologetics, biblical studies, church history, and...
info_outlineThis is the third lesson in Dr. James Cassidy's Reformed Academy course, The Doctrine of the Church. This lesson covers the following topics:
00:00 The Attributes of the Church: The Church as Catholic
05:18 The Attributes of the Church: The Church as Apostolic
12:53 The Marks of the Church: The Faithful Proclamation of the Word
18:46 The Marks of the Church: The Correct Administration of the Sacraments
22:06 The Marks of the Church: The Exercise of Church Discipline
Register for this free on-demand course on our website to track your progress and assess your understanding through quizzes for each lesson. You will also receive free access to dozens of additional video courses in covenant theology, apologetics, biblical studies, church history, and more: https://reformedacademy.org/course/do...
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