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

Joshua 23:7
So you are not to associate with these nations that remain among you. You must not call on the names of their gods or swear by them, and you must not serve them or bow down to them.

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.

Jeremiah 25:6
Do not follow other gods to serve and worship them, and do not provoke Me to anger with the works of your hands. Then I will do you no harm.’

Jeremiah 35:15
Again and 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.

1 Kings 9:6-9
But if indeed you or your sons turn away from following Me and do not keep the commandments and statutes I have set before you, and if you go off to serve and worship other gods, / then I will cut off Israel from the land that I have given them, and I will banish from My presence this temple I have sanctified for My Name. Then Israel will become an object of scorn and ridicule among all peoples. / And when this temple has become a heap of rubble, all who pass by it will be appalled and will hiss and say, ‘Why has the LORD done such a thing to this land and to this temple?’ ...

2 Chronicles 7:19-22
But if you turn away and forsake the statutes and commandments I have set before you, and if you go off to serve and worship other gods, / then I will uproot Israel from the soil I have given them, and I will banish from My presence this temple I have sanctified for My Name. I will make it an object of scorn and ridicule among all the peoples. / And when this temple has become a heap of rubble, all who pass by it will be appalled and say, ‘Why has the LORD done such a thing to this land and to this temple?’ ...

Psalm 81:9
There must be no strange god among you, nor shall you bow to a foreign god.

Isaiah 42:8
I am the LORD; that is My name! I will not yield My glory to another or My praise to idols.

Hosea 13:4
Yet I am the LORD your God ever since the land of Egypt; you know no God but Me, for there is no Savior besides Me.

Matthew 4:10
“Away from Me, Satan!” Jesus told him. “For it is written: ‘Worship the Lord your God and serve Him only.’”

Luke 4:8
But Jesus answered, “It is written: ‘Worship the Lord your God and serve Him only.’”

1 Corinthians 8:5-6
For even if there are so-called gods, whether in heaven or on earth (as there are many so-called gods and lords), / yet for us there is but one God, the Father, from whom all things came and for whom we exist. And there is but one Lord, Jesus Christ, through whom all things came and through whom we exist.

1 John 5:21
Little children, keep yourselves from idols.

Acts 14:15
“Men, why are you doing this? We too are only men, human like you. We are bringing you good news that you should turn from these worthless things to the living God, who made heaven and earth and sea and everything in them.