'One Commixture of Light': Rethinking some Modern Uses and Critiques of Gregory of Nazianzus on the Unity and Equality of the Divine Persons

Gregory of Nazianzus' doctrine of the Trinity is both a constructive source and an object of critique for Leonardo Boff's account of the Trinity. I argue that Gregory's account of the unity of the Trinity in the monarchy of the Father does not entail the ontological subordination of Son and Spirit nor otherwise obviate the equality of the divine persons. On Gregory's account, the unity and equality of the divine persons is bound up with that of their distinct identities in the very particular modes in which they relate to one another: a unity transcending all human commonality. By contrast, Boff's theology of the Trinity seems to elide the real distinction between God and creatures and erode the differences between the divine persons, so subverting the social programme he derives from his doctrine.