Jeremiah 7:6, 9
if you no longer oppress the foreigner, the fatherless, and the widow, and no longer shed innocent blood in this place or follow other gods to your own harm, . . .

Jeremiah 35:15
Time and time again I have sent you all My servants the prophets, proclaiming: 'Turn now, each of you, from your wicked ways, and correct your actions. Do not go after other gods to serve them. Live in the land that I have given to you and your fathers.' But you have not inclined your ear or listened to Me.

Exodus 20:3, 23
You shall have no other gods before Me. . . .

Deuteronomy 6:14
Do not follow other gods, the gods of the peoples around you.

Deuteronomy 8:19
If you ever forget the LORD your God and go after other gods to worship and bow down to them, I testify against you today that you will surely perish.

Deuteronomy 13:2
and if the sign or wonder he has spoken to you comes about, but he says, "Let us follow other gods (which you have not known) and let us worship them, "

Deuteronomy 28:14
Do not turn aside to the right or to the left from any of the words I command you today, and do not go after other gods to serve them.

Joshua 24:20
If you forsake the LORD and serve foreign gods, He will turn and bring disaster on you and consume you, even after He has been good to you."

1 Kings 11:4-10
For when Solomon grew old, his wives turned his heart after other gods, and he was not wholeheartedly devoted to the LORD his God, as his father David had been. . . .

1 Kings 14:22
And Judah did evil in the sight of the LORD, and by the sins they committed they provoked Him to jealous anger more than all their fathers had done.

2 Kings 17:35
For the LORD had made a covenant with the Israelites and commanded them, "Do not worship other gods or bow down to them; do not serve them or sacrifice to them.