18:8 The Lord spoke to Aaron, “See, I have given you the responsibility for my raised offerings; I have given all the holy things of the Israelites to you as your priestly portion 1 and to your sons as a perpetual ordinance.
18:19 All the raised offerings of the holy things that the Israelites offer to the Lord, I have given to you, and to your sons and daughters with you, as a perpetual ordinance. It is a covenant of salt 2 forever before the Lord for you and for your descendants with you.”
1 tn This is an uncommon root. It may be connected to the word “anoint” as here (see RSV). But it may also be seen as an intended parallel to “perpetual due” (see Gen 47:22; Exod 29:28; Lev 6:11 [HT]).
2 sn Salt was used in all the offerings; its importance as a preservative made it a natural symbol for the covenant which was established by sacrifice. Even general agreements were attested by sacrifice, and the phrase “covenant of salt” speaks of such agreements as binding and irrevocable. Note the expression in Ezra 4:14, “we have been salted with the salt of the palace.” See further J. F. Ross, IDB 4:167.