Bible Verses About Vanity: Idolatry is

They rejected his statutes, and his covenant that he made with their fathers, and his testimonies which he testified to them; and they followed vanity, and became vain, and followed the nations that were around them, concerning whom the LORD had commanded them that they should not do like them.

I hate those who regard lying vanities, but I trust in the LORD.

Everyone who makes an engraved image is vain. The things that they delight in will not profit. Their own witnesses don’t see, nor know, that they may be disappointed.

Who has fashioned a god, or molds 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 byways, in a way not built up;