Parallel
Exodus 19:22
Swete's Septuagint · Berean Standard Bible
καὶ οἱ ἱερεῖς οἱ ἐγγίζοντες κυρίῳ τῷ θεῷ ἁγιασθήτωσαν, μή ποτε ἀπαλλάξῃ ἀπ’ αὐτῶν Κύριος.
Even the priests who approach the LORD must consecrate themselves, or the LORD will break out against them.”