Romans 1:21-22
Because knowing God, they did not glorify him as God, neither were thankful, but became vain in their reasonings, and their foolish heart was darkened.
Romans 1:28
And as they were not careful to retain God in their knowledge, God gave them up to an undiscerning mind, to do things not expedient, Filled with all injustice, maliciousness, covetousness, wickedness:
2 Corinthians 4:3-4
But if our gospel also is veiled, it is veiled to them that perish;
Galatians 5:15
But if ye bite and devour one another, take heed ye be not consumed one of another.
Ephesians 4:17-18
This therefore I say and testify in the Lord, that ye no longer walk as the rest of the Gentiles, in the vanity of your mind: