And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy to the LORD.
And Nadab and Abihu, the sons of Aaron, took each of them his censer, and put fire therein, and put incense thereon, and offered strange fire before the LORD, which he commanded them not.