Bible Verses About Vanity: Idolatry is

And they rejected his statutes, and his covenant that he made with their fathers, and his testimonies which he testified unto them; and they followed vanity, and became vain, and went after the nations that were round about them, concerning whom Jehovah had charged them that they should not do like them.

I hate them that regard lying vanities; But I trust in Jehovah.

They that fashion a graven image are all of them vanity; and the things that they delight in shall not profit; and their own witnesses see not, nor know: that they may be put to shame.

Who hath fashioned a god, or molten an image that is profitable for nothing?

But they are together brutish and foolish: the instruction of idols! it is but a stock.

For my people have forgotten me, they have burned incense to false gods; and they have been made to stumble in their ways, in the ancient paths, to walk in bypaths, in a way not cast up;