Treasury of Scripture Knowledge

Summary

Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

Bible References

The understanding

Acts 17:30
Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:
Acts 26:17
delivering thee from the people, and from the Gentiles, unto whom now I send thee,
Romans 1:21
because, knowing God, they did not glorify Him as God, neither were they thankful; but they became vain in their reasonings, and their foolish heart was darkened.
1 Corinthians 1:21
For since in the wisdom of God the world by wisdom knew not God, God was pleased through the foolishness of preaching to save those who believe.
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.
1 Thessalonians 4:5
not in the passion of lust, as indeed the Gentiles who do not know God;

Alienated

Ephesians 2:12
because you were at that time without Christ, being alienated from the commonwealth of Israel, and strangers of the covenants of the promise, having no hope and being atheists in the world.
Romans 8:7
Therefore the mind of depravity is enmity toward God: for it is not subordinated to the law of God, for it is not able so to be.
Colossians 1:21
And you, being at one time aliens and enemies in your minds on account of wicked works, nevertheless he has now reconciled
1 Thessalonians 4:5
not in the passion of lust, as indeed the Gentiles who do not know God;
James 4:4
O adulteresses, do you not know that the friendship of the world is enmity to God? Whosoever therefore may wish to be the friend of the world renders himself the enemy of God.

Because

Romans 1:21
because, knowing God, they did not glorify Him as God, neither were they thankful; but they became vain in their reasonings, and their foolish heart was darkened.
Romans 2:19
and persuade yourself that you are a guide of the blind, a light of those who are in darkness, an instructor of the ignorant,
1 John 2:11
But the one hating his brother is in darkness, and walks about in darkness, and does not know whither he is going, because the darkness has blinded his eyes.