Numbers 3:12-14

Complete Jewish Bible

¹² “I have taken the L’vi’im from among the people of Isra’el in lieu of every firstborn male that is first from the womb among the people of Isra’el; the L’vi’im are to be mine. ¹³ All the firstborn males belong to me, because on the day that I killed all the firstborn males in the land of Egypt, I separated for myself all the firstborn males in Isra’el, both human and animal. They are mine; I am Adonai.”

(v) ¹⁴ Adonai said to Moshe in the Sinai Desert,