4 Exod. xx. 21; xxxiii. 20, 23.
13 Anindication that S. Gregory was himself unmarried.
17 The passage is obscure. Combefis reads, "Though she be not a mother" but the Mss are against him.
4 The meaning clearly is that the type presented by Melchisedec (Heb. vii. 3) is fulfilled in Christ. The explanation here given by S. Gregory is the ordinary one found in the Fathers. Thus, e. g., Theodoret says, "Christ our Lord is without Mother as God, for He was begotten of the Father alone; and without Father as Man, for He was born of a pure Virgin." Oecumenius has almost the exact words of Gregory. So also S. Augustine (Tract in Joann, 8), "Christ was singularly born of a Father without a Mother, of a Mother without a Father; without Mother as God, without Father as Man."
15 Alluding to his own recent arrival at Constantinople, after a life spent in the distant country of Cappadocia, and in ministering in small and insignificant places like Nazianzus.
16 The whole of this passage occurs again verbatim in the second Oration for Easter Day, cc. iii-ix.