"we were the purpose of his embodiment"

Τῆς γὰρ ἐκείνου ἐνσωματώσεως ἡμεῖς γεγόναμεν ὑπόθεσις

     St. Athanasius, De incarnatione 4, trans. Behr (St. Athanasius the Great On the incarnation:  Greek original and English translation, Popular patristics series 44a (St. Vladimir's Seminary Press, 2011), 59).