Numbers 3:13

13 for all the first-born are mine; on the day that I slew all the first-born in the land of Egypt, I consecrated for my own all the first-born in Israel, both of man and of beast; they shall be mine: I am the LORD."

Numbers 3:13 In-Context

11 And the LORD said to Moses,
12 "Behold, I have taken the Levites from among the people of Israel instead of every first-born that opens the womb among the people of Israel. The Levites shall be mine,
13 for all the first-born are mine; on the day that I slew all the first-born in the land of Egypt, I consecrated for my own all the first-born in Israel, both of man and of beast; they shall be mine: I am the LORD."
14 And the LORD said to Moses in the wilderness of Sinai,
15 "Number the sons of Levi, by fathers' houses and by families; every male from a month old and upward you shall number."
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.