And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons.
And Moses spake unto Aaron, and unto Ele-a´zar and unto Ith´amar, his sons that were left, Take the meat offering that remaineth of the offerings of the Lord made by fire, and eat it without leaven beside the altar: for it is most holy.
Therefore thou and thy sons with thee shall keep your priest's office for every thing of the altar, and within the veil; and ye shall serve: I have given your priest's office unto you as a service of gift: and the stranger that cometh nigh shall be put to death.
And Nadab and Abi´hu died before the Lord, when they offered strange fire before the Lord, in the wilderness of Si´nai, and they had no children: and Ele-a´zar and Ith´amar ministered in the priest's office in the sight of Aaron their father.