Exodus 18:14

18:14 When Moses’ father-in-law saw all that he was doing for the people, he said, “What is this that you are doing for the people? Why are you sitting by yourself, and all the people stand around you from morning until evening?”

Exodus 29:20

29:20 and you are to kill the ram and take some of its blood and put it on the tip of the right ear of Aaron, on the tip of the right ear of his sons, on the thumb of their right hand, and on the big toe of their right foot, and then splash the blood all around on the altar.

Exodus 32:1

The Sin of the Golden Calf

32:1 When the people saw that Moses delayed in coming down from the mountain, they gathered around Aaron and said to him, “Get up, make us gods that will go before us. As for this fellow Moses, the man who brought us up from the land of Egypt, we do not know what has become of him!”