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Study guides, historical commentary, and theological reflection on the Chalcedonian Creed.


Ordained Minister, M.Div.
July 20, 2026

Evangelicalism is not a confessional tradition in the way that Lutheranism or Reformed Christianity are. But most evangelical theologians affirm Chalcedonian Christology — and the ones who don't face serious questions about the gospel itself.

Ordained Minister, M.Div.
July 13, 2026


Ordained Minister, M.Div.
July 6, 2026

When Pope Leo I's letter was read at Chalcedon in 451, the bishops reportedly cried 'Peter has spoken through Leo!' Explore how this Western theologian shaped the definition of Christ.

Ordained Minister, M.Div.
June 29, 2026

Cyril of Alexandria's fierce defense of Christ's divine personhood laid the groundwork for the Council of Chalcedon. Explore how his theology shaped the church's confession of Christ.

Ordained Minister, M.Div.
June 22, 2026

The Chalcedonian Definition was written for fifth-century controversies, but modern Christological errors repeat the same ancient patterns. That is why Chalcedon remains indispensable.

Ordained Minister, M.Div.
June 13, 2026

Chalcedon navigated between two opposing Christological errors: Nestorius divided Christ's person, Eutyches confused His natures. The council's definition was precise enough to exclude both.

Ordained Minister, M.Div.
June 6, 2026

The Chalcedonian Definition describes Christ's two natures as united 'without confusion, without change, without division, without separation.' These four adverbs are the grammar of orthodox Christology.

Ordained Minister, M.Div.
May 30, 2026

The term 'hypostatic union' describes how two complete natures—divine and human—are united in the one person of Jesus Christ. It is Chalcedon's central contribution to Christian theology.

Ordained Minister, M.Div.
May 23, 2026