Exodus 32:4-8; Exodus 32:31

4 He took this from their hand, and fashioned it with a graving tool and made it into a molten calf; and they said, "This is your god, O Israel, who brought you up from the land of Egypt."

5 Now when Aaron saw this, he built an altar before it; and Aaron made a proclamation and said, "Tomorrow shall be a feast to the LORD ."

6 So the next day they rose early and offered burnt offerings, and brought peace offerings; and the people sat down to eat and to drink, and rose up to play.

7 Then the LORD spoke to Moses, "Go down at once, for your people, whom you brought up from the land of Egypt, have corrupted themselves.

8 "They have quickly turned aside from the way which I commanded them. They have made for themselves a molten calf, and have worshiped it and have sacrificed to it and said, 'This is your god, O Israel, who brought you up from the land of Egypt!' "

31 Then Moses returned to the LORD , and said, "Alas, this people has committed a great sin, and they have made a god of gold for themselves.