Charles Ellicott Commentary Numbers 16:41

"But on the morrow all the congregation of the children of Israel murmured against Moses and against Aaron, saying, Ye have killed the people of Jehovah." — Numbers 16:41 (ASV)

But on the next day ... — It is difficult to conceive of a more striking illustration of the depravity of the human heart than is provided by this outbreak of the same spirit of rebellion which had been so notably punished on the preceding day.