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Study guides, historical commentary, and theological reflection on the Chalcedonian Creed.
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Why Some Churches Rejected Chalcedon — and What Happened Next
The Council of Chalcedon was not accepted by everyone. Understanding the rejection — and its lasting consequences — illuminates one of Christianity's oldest and most enduring divisions.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
May 9, 2026
The Chalcedonian Creed and the Incarnation
The doctrine of the Incarnation is the heart of Christian faith — and the Chalcedonian Definition is the Church's most precise statement of what it means for God to become flesh.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
May 2, 2026
What Does 'Two Natures, One Person' Actually Mean?
The Chalcedonian formula 'two natures, one person' sounds like a contradiction. How can one being simultaneously be fully divine and fully human? This is what the formula actually means — and why it is not a contradiction.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 25, 2026
5 Essential Books for Studying the Chalcedonian Creed
The Chalcedonian Creed is the 451 AD Definition of Christ as one person in two natures, without confusion or division. These five books guide serious study of its history, theology, and ongoing significance.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 22, 2026
Eutychianism: The Other Heresy Chalcedon Rejected
While Nestorianism divided Christ into two persons, Eutychianism went to the opposite extreme and fused his two natures into one. The Council of Chalcedon rejected both errors with four precise adverbs.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 18, 2026
The Story of Christian Theology: The Best Single-Volume Introduction to Historical Theology
The Story of Christian Theology by Roger Olson is a single-volume narrative history of Christian doctrine that traces how core beliefs and major creeds developed from the early church to the modern era, making it an ideal first textbook for historical theology.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 15, 2026
Who Were the Nestorians and Why Were They Condemned?
Nestorius was one of the most powerful bishops in the early church before he was condemned, exiled, and became a byword for heresy. What did he actually teach — and was the condemnation fair?
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 12, 2026
The Creeds of Christendom by Philip Schaff: Why Every Serious Student Needs This Book
Philip Schaff’s The Creeds of Christendom is the definitive three‑volume English collection of Christian creeds and confessions, uniting original texts, translations, and historical introductions in one indispensable reference for serious students.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 8, 2026
The Council of Chalcedon: Why 451 AD Still Matters
In 451 AD, over 500 bishops gathered in Chalcedon to settle a theological dispute that had fractured the Eastern church for a generation. What they decided still shapes how most of the world's Christians understand Jesus Christ.
By Rev. C•D•F• Warrington, M.Div.
Ordained Minister, M.Div.
Date
April 4, 2026