literature, is inadequate for making sense of Paul’s language about God, Christ, and the Holy Spirit. In place of this binary, Hill attempts to retrieve the traditional category of relation. In doing so, he avoids the vague and impressionistic appeals to “relationality” that plague a familiar stream of modern Trinitarian thought and, by means of critical interaction with recent scholarship on pro-Nicene theology and particularly its Thomist appropriation, refines a concept of relation that enables