Deuteronomy 13:6-10
If your very own brother, or your son or daughter, or the wife you embrace, or your closest friend secretly entices you, saying, “Let us go and worship other gods” (which neither you nor your fathers have known, / the gods of the peoples around you, whether near or far, whether from one end of the earth or the other), / you must not yield to him or listen to him. Show him no pity, and do not spare him or shield him. ...

Deuteronomy 17:2-5
If a man or woman among you in one of the towns that the LORD your God gives you is found doing evil in the sight of the LORD your God by transgressing His covenant / and going to worship other gods, bowing down to them or to the sun or moon or any of the host of heaven—which I have forbidden— / and if it is reported and you hear about it, you must investigate it thoroughly. If the report is true and such an abomination has happened in Israel, ...

Leviticus 20:2-5
“Tell the Israelites, ‘Any Israelite or foreigner living in Israel who gives any of his children to Molech must be put to death. The people of the land are to stone him. / And I will set My face against that man and cut him off from his people, because by giving his offspring to Molech, he has defiled My sanctuary and profaned My holy name. / And if the people of the land ever hide their eyes and fail to put to death the man who gives one of his children to Molech, ...

Deuteronomy 6:14-15
Do not follow other gods, the gods of the peoples around you. / For the LORD your God, who is among you, is a jealous God. Otherwise the anger of the LORD your God will be kindled against you, and He will wipe you off the face of the earth.

Deuteronomy 32:16-17
They provoked His jealousy with foreign gods; they enraged Him with abominations. / They sacrificed to demons, not to God, to gods they had not known, to newly arrived gods, which your fathers did not fear.

2 Kings 17:35-39
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. / Instead, worship the LORD, who brought you out of the land of Egypt with great power and an outstretched arm. You are to bow down to Him and offer sacrifices to Him. / And you must always be careful to observe the statutes, ordinances, laws, and commandments He wrote for you. Do not worship other gods. ...

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.’

Psalm 96:5
For all the gods of the nations are idols, but it is the LORD who made the heavens.

Isaiah 44:9-20
All makers of idols are nothing, and the things they treasure are worthless. Their witnesses fail to see or comprehend, so they are put to shame. / Who fashions a god or casts an idol which profits him nothing? / Behold, all his companions will be put to shame, for the craftsmen themselves are only human. Let them all assemble and take their stand; they will all be brought to terror and shame. ...

1 Corinthians 8:4-6
So about eating food sacrificed to idols: We know that an idol is nothing at all in the world, and that there is no God but one. / 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 Corinthians 10:20-21
No, but the sacrifices of pagans are offered to demons, not to God. And I do not want you to be participants with demons. / 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.

Galatians 4:8
Formerly, when you did not know God, you were slaves to those who by nature are not gods.

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.

Romans 1:21-23
For although they knew God, they neither glorified Him as God nor gave thanks to Him, but they became futile in their thinking and darkened in their foolish hearts. / Although they claimed to be wise, they became fools, / and exchanged the glory of the immortal God for images of mortal man and birds and animals and reptiles.