Exodus 40:13-15

Revised Standard Version

¹³ and put upon Aaron the holy garments, and you shall anoint him and consecrate him, that he may serve me as priest. ¹⁴ You shall bring his sons also and put coats on them, ¹⁵ and anoint them, as you anointed their father, that they may serve me as priests: and their anointing shall admit them to a perpetual priesthood throughout their generations.”