And Aaron lifted up his hands toward the people, and blessed them; and he came down from offering the sin offering, and the burnt offering, and the peace offerings.
The sons of Amram; Aaron and Moses: and Aaron was separated, that he should sanctify the most holy things, he and his sons, for ever, to burn incense before the LORD, to minister unto him, and to bless in his name, for ever.
At that time the LORD separated the tribe of Levi, to bear the ark of the covenant of the LORD, to stand before the LORD to minister unto him, and to bless in his name, unto this day.
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 according to their word shall every controversy and every stroke be: