Numbers 18:19 in the King James Version
All the heave offerings of the holy things, which the children of Israel offer unto the LORD, have I given thee, and thy sons and thy daughters with thee, by a statute for ever: it is a covenant of salt for ever before the LORD unto thee and to thy seed with thee.
Context
18 Their meat shall be yours, as the wave offering breast and as the right thigh, it shall be yours.
19 All the wave offerings of the holy things which the children of Israel offer to the LORD, I have given you and your sons and your daughters with you, as a portion forever. It is a covenant of salt forever before the LORD to you and to your offspring with you.”
20 The LORD said to Aaron, “You shall have no inheritance in their land, neither shall you have any portion among them. I am your portion and your inheritance among the children of Israel.