It is not as though God’s word has failed. For not all who are descended from Israel are Israel.
Οὐχ οἷον δὲ ὅτι ἐκπέπτωκεν ὁ λόγος τοῦ Θεοῦ. Οὐ γὰρ πάντες οἱ ἐξ Ἰσραήλ, οὗτοι Ἰσραήλ·