Exodus 34:14-18

—for you shall not worship any other god, because the Lord, whose name is Jealous, is a jealous God—

otherwise you might make a covenant with the inhabitants of the land, and they would prostitute themselves with their gods and sacrifice to their gods, and someone might invite you to eat of his sacrifice,

and you might take some of his daughters for your sons, and his daughters might prostitute themselves with their gods and cause your sons also to prostitute themselves with their gods.

You shall not make for yourself any gods cast in metal.

“You shall keep the Feast of Unleavened Bread. For seven days you are to eat unleavened bread, as I commanded you, at the appointed time in the month of Abib; for in the month of Abib you came out of Egypt.