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

Deuteronomy 32:21
They have provoked My jealousy by that which is not God; they have enraged Me with their worthless idols. So I will make them jealous by those who are not a people; I will make them angry by a nation without understanding.

1 Kings 18:21
Then Elijah approached all the people and said, “How long will you waver between two opinions? If the LORD is God, follow Him. But if Baal is God, follow him.” But the people did not answer a word.

2 Kings 17:15
They rejected His statutes and the covenant He had made with their fathers, as well as the decrees He had given them. They pursued worthless idols and became worthless themselves, going after the surrounding nations that the LORD had commanded them not to imitate.

Jeremiah 2:13
“For My people have committed two evils: They have forsaken Me, the fountain of living water, and they have dug their own cisterns—broken cisterns that cannot hold water.

Jeremiah 10:14
Every man is senseless and devoid of knowledge; every goldsmith is put to shame by his idols. For his molten images are a fraud, and there is no breath in them.

Jonah 2:8
Those who cling to worthless idols forsake His loving devotion.

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

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. ...

Isaiah 45:20
Come, gather together, and draw near, you fugitives from the nations. Ignorant are those who carry idols of wood and pray to a god that cannot save.

Isaiah 46:7
They lift it to their shoulder and carry it along; they set it in its place, and there it stands, not budging from that spot. They cry out to it, but it does not answer; it saves no one from his troubles.

Ezekiel 20:16
because they kept rejecting My ordinances, refusing to walk in My statutes, and profaning My Sabbaths; for their hearts continually went after their idols.

Matthew 6:24
No one can serve two masters: Either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve both God and money.

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