`Take the Levites instead of every first-born among the sons of Israel, and the cattle of the Levites instead of their cattle; and the Levites have been Mine; I `am' Jehovah.
and the firstling of an ass thou dost ransom with a lamb; and if thou dost not ransom, then thou hast beheaded it; every first-born of thy sons thou dost ransom, and they do not appear before Me empty.
`And I, lo, I have taken your brethren the Levites from the midst of the sons of Israel; to you a gift they are given by Jehovah, to do the service of the tent of meeting;
`And I, lo, I have taken the Levites from the midst of the sons of Israel instead of every first-born opening a womb among the sons of Israel, and the Levites have been Mine;
`For they are certainly given to Me out of the midst of the sons of Israel, instead of him who openeth any womb -- the first-born of all -- from the sons of Israel I have taken them to Myself;