Once a year Aaron shall perform the rite of atonement on its horns. Throughout your generations he shall perform the atonement for it once a year with the blood of the atoning purification offering. It is most holy to the Lord.”
Now Aaron’s sons Nadab and Abihu each took his censer, put fire in it, and laid incense on it, and they offered unholy fire before the Lord, such as he had not commanded them.