Parallel
1 Samuel 20:23
Swete's Septuagint · Berean Standard Bible
καὶ τὸ ῥῆμα ὃ ἐλαλήσαμεν ἐγὼ καὶ σύ, ἰδοὺ Κύριος μάρτυς ἀνὰ μέσον ἐμοῦ καὶ σοῦ ἕως αἰῶνος.
And as for the matter you and I have discussed, the LORD is a witness between you and me forever.”