Numbers 3:9-12

Tree of Life Version

⁹ You are to give the Levites to Aaron and his sons. Out of Bnei-Yisrael they are dedicated entirely to him. ¹⁰ You are to appoint Aaron and his sons to maintain the priesthood; any commoner who approaches must be executed.”

¹¹ Then Adonai said to Moses saying, ¹² “See, I have taken the Levites from among Bnei-Yisrael in place of the firstborn who open the womb among Bnei-Yisrael. The Levites will be Mine,