"Take the Levites instead of all the firstborn among the children of Israel, and the livestock of the Levites instead of their livestock. The Levites shall be Mine: I am the LORD.
Numbers 3:45
Surrounding context
3:44 Then the LORD spoke to Moses, saying:
3:45 "Take the Levites instead of all the firstborn among the children of Israel, and the livestock of the Levites instead of their livestock. The Levites shall be Mine: I am the LORD.
3:46 And for the redemption of the two hundred and seventy-three of the firstborn of the children of Israel, who are more than the number of the Levites,