Romans 1:21-24

because, having known God, they did not glorify Him as God, nor did they give thanks; but they became vain in their reasonings, and their senseless heart was darkened.

Galatians 1:14

and was making progress in Judaism above many companions of the same age in my own nation, being more exceedingly a zealot for my ancestral instructions.

1 Peter 1:18

knowing that, not with perishable things, with silver or gold, were ye redeemed from your vain course of life handed down from your fathers;

Ephesians 2:3

among whom we also all once lived in the desires of our flesh, doing the will of the flesh and of the mind, and were by nature children of wrath, even as the rest;

Ephesians 4:17-19

This, therefore, I say, and testify in the Lord, that ye no longer walk as the gentiles also walk, in the vanity of their mind,

Treasury of Scripture Knowledge

Summary

But have walked after the imagination of their own heart, and after Baalim, which their fathers taught them:

Bible References

Which

Galatians 1:14
and was making progress in Judaism above many companions of the same age in my own nation, being more exceedingly a zealot for my ancestral instructions.
1 Peter 1:18
knowing that, not with perishable things, with silver or gold, were ye redeemed from your vain course of life handed down from your fathers;