ἐκ τοῦ Υἱοῦ δὲ τὸ Πνεῦμα οὐ λέγομεν. See also ch. xii., καὶ Υἱοῦ Πνεῦμα οὐχ ὡς ἐξ αὐτοῦ, and at the close of the Epist. ad Jordan, Πνεῦμα Υἱοῦ μὴ ἐξ Υἱοῦ.