Romans 1:21-23

because, knowing God, they did not glorify Him as God, neither were they thankful; but they became vain in their reasonings, and their foolish heart was darkened.

John 2:8

And He says to them, Now draw out and carry to the chief ruler of the feast,

1 Corinthians 8:4

Therefore concerning the eating of things offered to idols, we know that an idol is nothing in the world, and that there is no God except one.

Treasury of Scripture Knowledge

Summary

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

Vanity

Bible References

Vanity

John 2:8
And He says to them, Now draw out and carry to the chief ruler of the feast,

Became vain

Romans 1:21
because, knowing God, they did not glorify Him as God, neither were they thankful; but they became vain in their reasonings, and their foolish heart was darkened.
1 Corinthians 8:4
Therefore concerning the eating of things offered to idols, we know that an idol is nothing in the world, and that there is no God except one.