Christ and the Meaning of Union

Chalcedon confesses one and the same Christ in two natures, without confusion, change, division, or separation. The formula protects both his complete divinity and his complete humanity within one person.

This is why half God and half human is misleading. The Incarnation does not mix two ingredients into a third nature. The eternal Son becomes human without ceasing to be divine, and his humanity remains fully human.

The distinction is essential before the book compares the Annunciation with stories of heroic birth. Some surface features may make a comparison intelligible: divine action, a human mother, a child whose identity changes history. The theological account of that child is radically different.

A worthwhile comparison should clarify that difference as it proceeds. It can explore how Christian proclamation addresses a world familiar with divine-human stories. It cannot make Christ one more member of the heroic category.