Exodus 20:3-5
You shall have no other gods before Me. . . .

Exodus 32:1-4
Now when the people saw that Moses was delayed in coming down from the mountain, they gathered around Aaron and said, "Come, make us gods who will go before us. As for this Moses who brought us up out of the land of Egypt, we do not know what has happened to him!" . . .

1 Samuel 5:4, 5
But when they got up early the next morning, there was Dagon, fallen on his face before the ark of the LORD, with his head and his hands broken off and lying on the threshold. Only the torso remained. . . .

2 Kings 17:33, 41
They worshiped the LORD, but they also served their own gods according to the customs of the nations from which they had been carried away. . . .

Ezekiel 20:39
And as for you, O house of Israel, this is what the Lord GOD says: 'Go and serve your idols, every one of you. But afterward, you will surely listen to Me, and you will no longer defile My holy name with your gifts and idols.

Ezekiel 43:8
When they placed their threshold next to My threshold and their doorposts beside My doorposts, with only a wall between Me and them, they defiled My holy name by the abominations they committed. Therefore I have consumed them in My anger.

Daniel 5:4, 23
As they drank the wine, they praised their gods of gold and silver, bronze and iron, wood and stone. . . .

Zephaniah 1:5
those who bow on the rooftops to worship the heavenly host, those who bow down and swear by the LORD but also swear by Molech,

1 Corinthians 10:21, 22
You cannot drink the cup of the Lord and the cup of demons too; you cannot partake in the table of the Lord and the table of demons too. . . .

2 Corinthians 6:14-16
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness? . . .

Colossians 2:18, 19
Do not let anyone who delights in false humility and the worship of angels disqualify you with speculation about what he has seen. Such a man is puffed up without basis by his unspiritual mind, . . .

1 John 5:20, 21
And we know that the Son of God has come and has given us understanding, so that we may know Him who is true; and we are in Him who is true--in His Son Jesus Christ. He is the true God and eternal life. . . .

Revelation 22:15
But outside are the dogs, the sorcerers, the sexually immoral, the murderers, the idolaters, and everyone who loves and practices falsehood.