Numbers 3:10-12

Amplified Bible, Classic Edition

¹⁰ And you shall appoint Aaron and his sons, and they shall observe and attend to their priest’s office; but the excluded [anyone daring to assume priestly duties or privileges who is not of the house of Aaron and called of God] who comes near [the holy things] shall be put to death.

¹¹ And the Lord said to Moses,

¹² Behold, I have taken the Levites from among the Israelites instead of every firstborn who opens the womb among the Israelites; and the Levites shall be Mine,