Aaron and his descendants offered sacrifices on the altar for burnt offerings and on the altar for incense. They did all the work in the most holy place and removed Israel’s sins to make Israel acceptable to God. They did exactly what God’s servant Moses had commanded.
⌞The Lord continued,⌟ “Out of all the Israelites, bring your brother Aaron and his sons Nadab, Abihu, Eleazar, and Ithamar to you. They will serve me as priests.
⌞The Lord continued,⌟ “Now, this is what you must do in order to set Aaron and his sons apart to serve me as priests: “Take a young bull that has no defects and two rams that have no defects.
and put turbans on them. Tie belts around the waists of Aaron and his sons. They alone are to be priests; this is a permanent law. In this way you will ordain Aaron and his sons.
On Mount Sinai the Lord gave Moses commands about these offerings at the same time that he commanded the Israelites to bring their offerings to him in the Sinai Desert.
“Take Aaron and his sons, the priests’ clothes, the anointing oil, the bull that will be the offering for sin, the two rams, and the basket of unleavened bread.