Bible Verses About Vanity: Idolatry is

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 themselves became worthless, going after the surrounding nations that the LORD had commanded them not to imitate.

I hate those who cling to worthless idols, but in the LORD I trust.

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?

But they are altogether senseless and foolish, instructed by worthless idols made of wood!

Yet My people have forgotten Me. They burn incense to worthless idols that make them stumble in their ways, leaving the ancient roads to walk on rutted bypaths instead of on the highway.