The Two Natures of Christ — Chalcedon and Colossians 1:15-20

Col 1:15-20 confesses Christ as "the image of the invisible God" in whom "all the fullness of God was pleased to dwell." He is at once the firstborn over creation and the one in whom all things hold together.

Council of Chalcedon — Chalcedonian Definition — one person in two natures. Gregory of Nazianzus — Theological Orations. Thomas Aquinas — Summa Theologiae.

The cosmic Christ of Colossians connects to the Logos of John 1:3 and to the exaltation of Phil 2:9-11. Athanasius — On the Incarnation.