The Sacred Images Project

The Sacred Images Project

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The Sacred Images Project
The Sacred Images Project
Between Two Fires: Byzantine Art and Theology Before Iconoclasm
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Between Two Fires: Byzantine Art and Theology Before Iconoclasm

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Hilary White
Apr 09, 2025
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The Sacred Images Project
The Sacred Images Project
Between Two Fires: Byzantine Art and Theology Before Iconoclasm
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One nature or two? The Christological Storm Before Iconoclasm

The Transfiguration Mosaic, apse of St. Catherine’s Monastery, Sinai. This extraordinary 6th-century mosaic shows Christ at the moment of the Transfiguration, standing in a mandorla of divine light between Moses and Elijah, with the apostles Peter, James, and John below. It visually affirms the doctrine of Christ’s divine nature, central to the Christological debates of the time. Preserved at St. Catherine’s due to the monastery’s isolation and uninterrupted life, the mosaic is an important example of early Byzantine monumental art and theology before the iconoclast crisis.

As we discussed earlier, in “When the World Changed: Sacred Art and the coming of Islam,” the 7th century was to be a period of cataclysmic change for the Christian world of the Mediterranean and newly Christianised northwestern Europe.

From the time of the emancipation of Christianity by Constantine the Great, the Church had been riven with arguments and splits over the most fundamental questions of all: the nature of Christ and His relationship with the Godhead on one side and humanity on the other. These were not abstract philosophical debates but visceral, often violent disputes over what it meant to proclaim Jesus as both fully divine and fully human. Councils were convened, creeds written, bishops deposed or exiled and communities divided. Each new formulation attempted to strike a balance between safeguarding divine transcendence and affirming the Incarnation in its fulness. Yet no resolution ever seemed to silence the controversy entirely.

By the middle of the fifth century, the Council of Chalcedon (451) established a final formula: Jesus Christ is one person in two natures, divine and human, without confusion, change, division, or separation. This was meant as a definitive settlement, but it satisfied few beyond the imperial core. Egypt, Syria, Armenia and other regions refused to adhere to the formulas.

The imperial Church, having aligned itself with Chalcedon, now faced not only theological dissent but a widening cultural and political rift between Constantinople and the eastern provinces that emperors would try to heal with new doctrinal compromises, setting the stage for the much larger controversies of the 7th and 8th centuries.



In today’s post for paid subscribers, we’ll look at how these theological debates, especially the imperial push for Monothelitism, shaped not only doctrine but sacred art. The Council of Chalcedon in the middle of the fifth century had defined Christ as one person in two natures, divine and human, but the controversy didn’t end there. Emperors like Heraclius tried to impose unity through a new formula, claiming Christ had only one will. At the same time, icons and mosaics began to reflect the Church’s deepening concern with how to depict the mystery of Christ’s full divinity and full humanity. This concern would finally culminate in the declarations of the Seventh Ecumenical Council (Second Council of Nicaea)… but even this wouldn’t end the argument.

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At the Sacred Images Project we talk about Christian life, thought, history and culture through the lens of the first 1200 years of sacred art. The publication is supported by subscriptions, so apart from plugging my shop, there is no advertising or pop-ups. It’s my full time job, and while it’s now providing me with a full time income, we are now looking at growing this into a multi-layered, multi-media project, so I can’t yet provide all the things I want to and am planning for.
You can subscribe for free to get one a week.
For $9/month you also get a second, weekly paywalled in-depth article tracing the history and meaning of our great sacred patrimony. For paid subscribers there are also extra posts with in-person explorations, exclusive photos and videos and materials like downloadable exclusive high resolution printable images. In the works are ebooks, mini-courses, videos and eventually podcasts.

The Sacred Images Project is a reader-supported publication which means there are no annoying ads or pop-ups, but it also means there is no advert revenue to keep us going. To receive new posts and support my work, please consider becoming a free or paid subscriber. It’s just $9/month

From the shop: I’m happy to offer this drawing of the Crucified Christ, “Christus Patiens” that I did in the style of the 14th century Umbrian panel crucifixes. It’s printed on the same museum quality 100% cotton, acid-free paper I drew it on.
Browse the shop here:

Hilary White; Sacred Art Shop

If you’d prefer to set up a monthly contribution in an amount of your choice, you can also do that at the studio blog, or make a one-off donation to help keep this work going. And thank you.

Hilary White; Sacred Art donations

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