Διχῆ δὲ τῆς κατ' εὐσέβειαν ἀρετῆς διῃρεμένης, εἴς τε τὸ θεῖον καὶ τὴν εἰς τὴν τοῦ ἤθους κατόρθωσιν (μέρος γὰρ εὐσεβείας καὶ ἡ τοῦ βίου καθαρότης ἐστί), . . .
Gregory of Nyssa, The life of Moses 2.166, trans. Everett Ferguson and Abraham J. Malherbe (Gregory of Nyssa: The life of Moses, Classics of Western spirituality (New York; Mahwah, NJ: Paulist Press, 1978), 96). The footnote at this point reads, "This fact was not commonly recognized by the Greeks of the pre-Christian centuries. See A. D. Nock, Conversion (Oxford, 1933), pp. 215 ff." (179n206). Greek from the 3rd rev. & corr. (1968) ed. of SC 1, 212, 214. Cf. GNO 7.1, p. 88 ll. 5-7.