Romans 1:21-22
Now they knew who God was, but they did not honor Him as God or thank Him [for their blessings]. Instead they engaged in their useless speculations and their foolish minds were filled with [spiritual] darkness.
Romans 1:28
And since these people refused to acknowledge God, He has allowed [or, abandoned] them to have degraded minds and to practice those things which they should not do.
2 Corinthians 4:3-4
For even if our Gospel message is veiled, it is veiled [only] from those who are lost.
Galatians 5:15
But if you [unlovingly] bite and eat one another [i.e., figuratively], be careful that you do not totally consume one another.
Ephesians 4:17-18
So, I tell you this, and insist [on it] by [the authority of] the Lord: Do not continue to live with worthless thoughts as [unconverted] Gentiles do.