Hebrews 7:21

21[He]ὁhoweverδὲwithμετὰan oathὁρκωμοσίαςthroughδιὰthe [One]τοῦsayingλέγοντοςtoπρὸςHimαὐτόν·Has swornὬμοσεν[the] Lordκύριος,andκαὶnotοὐwill change His mindμεταμεληθήσεται,You [are]Σὺa priestἱερεὺςtoεἰςtheτὸνageαἰῶνα,

the One, however, [was] with an oath through the One saying to Him: “The Lord has sworn and will not change His mind; ‘You [are] a priest to the age.’”