Romans 1:22
Professing themselves to be wise, they became fools,
1 Corinthians 8:4
concerning, therefore, the eating of things sacrificed to idols, we know that an idol is nothing in the world, and that there is no God but One.
2 Corinthians 4:4
in whom the god of this world blinded the minds of the unbelieving, that the light of the Gospel of the glory of Christ, Who is the image of God, should not shine upon them.
Ephesians 4:18
being darkened in their understanding, alienated from the life of God because of the ignorance that is in them, because of the hardness of their hearts;
Ephesians 5:8
for ye were once darkness, but now are ye light in the Lord; walk as children of light