Leviticus 9:22-10:3

New King James Version

²² Then Aaron lifted his hand toward the people, ^(A)blessed them, and came down from offering the sin offering, the burnt offering, and peace offerings. ²³ And Moses and Aaron went into the tabernacle of meeting, and came out and blessed the people. Then the glory of the Lord appeared to all the people, ²⁴ and ^(B)fire came out from before the Lord and consumed the burnt offering and the fat on the altar. When all the people saw it, they ^(C)shouted and fell on their ^(D)faces.

The Profane Fire of Nadab and Abihu

10 Then ^(E)Nadab and Abihu, the sons of Aaron, ^(F)each took his censer and put fire in it, put incense on it, and offered ^(G)profane fire before the Lord, which He had not commanded them. ² So ^(H)fire went out from the Lord and devoured them, and they died before the Lord. ³ And Moses said to Aaron, “This is what the Lord spoke, saying:

So Aaron held his peace.