Numbers 3:5-8

Numbers 3:5-8 (KJV) 5 And the Lord spake unto Moses, saying, 6 Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him. 7 And they shall keep his charge, and the charge of the whole congregation before the tabernacle of the congregation, to do the service

Numbers 3:1-4

Numbers 3:1-4 (KJV)
1 These also are the generations of Aaron and Moses in the day that the Lord spake with Moses in mount Sinai.
2 And these are the names of the sons of Aaron; Nadab the firstborn, and Abihu, Eleazar, and Ithamar.
3 These are the names of the sons of Aaron, the priests which were anointed, whom he consecrated to minister in the priest’s office.
4 And 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: and Eleazar and Ithamar ministered in the priest’s office in the sight of Aaron their father.

Strange Fire: Part 2

If we do things that are unholy unto God, just know that there are consequences to every one of these actions also.