Most Relevant Verses
Then the anger of the LORD burned against Moses, and He said, "Is there not your brother Aaron the Levite? I know that he speaks fluently. And moreover, behold, he is coming out to meet you; when he sees you, he will be glad in his heart.
Now when the people saw that Moses delayed to come down from the mountain, the people assembled about Aaron and said to him, "Come, make us a god who will go before us; as for this Moses, the man who brought us up from the land of Egypt, we do not know what has become of him."
Then Miriam and Aaron spoke against Moses because of the Cushite woman whom he had married (for he had married a Cushite woman);
Now Nadab and Abihu, the sons of Aaron, took their respective firepans, and after putting fire in them, placed incense on it and offered strange fire before the LORD, which He had not commanded them.