Romans 1:21-22
for although they knew God they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened.
Romans 1:28
And since they did not see fit to retain the knowledge of God, God gave them over to a base mind, to do what ought not to be done.
2 Corinthians 4:3-4
And even if our gospel is veiled, it is veiled to those who are perishing.
Galatians 5:15
But if you bite and devour one another, take care that you are not consumed by one another.
Ephesians 4:17-18
Now this I affirm and testify in the Lord, that you must no longer live as the Gentiles do, in the futility of their minds,