Numbers 3:4

3:4 Nadab and Abihu died before the Lord when they offered strange fire before the Lord in the wilderness of Sinai, and they had no children. So Eleazar and Ithamar ministered as priests in the presence of Aaron their father.

Numbers 14:14

14:14 then they will tell it to the inhabitants of this land. They have heard that you, Lord, are among this people, that you, Lord, are seen face to face, that your cloud stands over them, and that you go before them by day in a pillar of cloud and in a pillar of fire by night.

Numbers 16:7

16:7 put fire in them, and set incense on them before the Lord tomorrow, and the man whom the Lord chooses will be holy. You take too much upon yourselves, you sons of Levi!”

Numbers 16:46

16:46 Then Moses said to Aaron, “Take the censer, put burning coals from the altar in it, place incense on it, and go quickly into the assembly and make atonement for them, for wrath has gone out from the Lord – the plague has begun!”