15. And after that shall the Levites go in to do the service of the tent of meeting: and thou shalt cleanse them, and offer them for a wave offering.
16. For they are wholly given unto me from among the children of Israel; instead of all that openeth the womb, even the firstborn of all the children of Israel, have I taken them unto me.
17. For all the firstborn among the children of Israel are mine, both man and beast: on the day that I smote all the firstborn in the land of Egypt I sanctified them for myself.
18. And I have taken the Levites instead of all the firstborn among the children of Israel.