Bible Verses About Vanity: Idolatry is

Thus they rejected his laws; his covenant, which he had made with their ancestors; and the solemn warnings he had given them. Instead they pursued worthless things and became worthless themselves, imitating the nations around them, whom ADONAI had ordered them not to emulate.

I hate those who serve worthless idols; as for me, I trust in ADONAI.

All idol-makers amount to nothing; their precious productions profit no one; and their witnesses, to their own shame, neither see nor understand.

Who would fashion a god or cast an image that profits no one anything?

One and all they are boorish and stupid; the teaching of their nothings is a piece of wood!

No, but my people have forgotten me and offer incense to nothings. This causes them to stumble as they walk the ancient paths; they leave the highway to walk on side-trails.