Deuteronomy Chapter 21, Verse 5

5: And the priests the sons of Levi shall come near; for them the LORD thy God hath chosen to minister unto him, and to bless in the name of the LORD; and by their word shall every controversy and every stroke be tried:- edit KJV text
5: And the priests the sons of Levi shall come, whom the Lord thy God hath chosen to minister to him, and to bless in his name, and that by their word every matter should be decided, and whatsoever is clean or unclean should be judged.— edit Douay text
5: And the priests the Levites shall come, because the Lord God has chosen them to stand by him, and to bless in his name, and by their word shall every controversy and every stroke be [decided].— edit LXX text