Parallel
Hebrews 5:6
Nestle 1904 Greek New Testament · Berean Standard Bible
Καθὼς καὶ ἐν ἑτέρῳ λέγει Σὺ ἱερεὺς εἰς τὸν αἰῶνα κατὰ τὴν τάξιν Μελχισέδεκ
And in another passage God says: “You are a priest forever in the order of Melchizedek (note: Psalm 110:4).”