“No sooner do I conceive of the One than I am illumined by the Splendour of the Three; no sooner do I distinguish Them than I am carried back to the One.”
–Gregory of Nazianzus, Oration 40: The Oration on Holy Baptism, The Nicene and Post-Nicene Fathers, Series 2, 7:375; PG 36, col. 417B.