Romans 1:22
Saying that they were wise, they became fools,
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.
2 Corinthians 4:4
in whom the god of this age has blinded the minds of those who believe not, in order that the light of the gospel of the glory of Christ, who is the image of God, may not shine on them.
Ephesians 4:18
being darkened in their understanding, alienated from the life of God through the ignorance being in themselves, on account of the blindness of their heart;
Ephesians 5:8
For at one time ye were darkness, but now ye are light in the Lord: walk about as children of the light,