Ephesians 4:18

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.

Ephesians 2:12

and that at that time you were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world.

Galatians 4:8

But then, indeed, not knowing God, you served as slaves to those not by nature being gods.

1 Thessalonians 4:5

(not in the passion of lust, even as the nations who do not know God),

Acts 17:30

Truly, then, God overlooking the times of ignorance, now He strictly commands all men everywhere to repent,

Romans 1:21-23

Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.

Romans 11:25

For I do not want you to be ignorant of this mystery, brothers, lest you should be wise within yourselves; that blindness in part has happened to Israel, until the fullness of the nations has comes in.

Psalm 74:20

Look to the covenant; for the dark places of the earth are full of the houses of evil.

Psalm 115:4-8

Their idols are silver and gold, the work of men's hands.

Isaiah 44:18-20

They have not known nor understood; for He has shut their eyes so that they cannot see; and their hearts so that they cannot understand.

Isaiah 46:5-8

To whom will you compare Me, and make Me equal, and compare Me, that we may be alike?

Daniel 5:20

But when his heart was lifted up, and his mind hardened in pride, he was put down from the throne of his kingdom, and they took his glory from him.

Matthew 13:15

for this people's heart has become gross, and their ears are dull of hearing, and they have closed their eyes, lest at any time they should see with their eyes and hear with their ears and should understand with their heart, and should be converted, and I should heal them."

Mark 3:5

And looking around on them with anger, being grieved because of the hardness of their hearts, He said to the man, Stretch out your hand! And he stretched it out. And his hand was restored whole, like the other.

John 12:40

"He has blinded their eyes and hardened their heart, so that they should not see with their eyes nor understand with their heart, and be converted, and I should heal them."

Acts 26:17-18

delivering you from the people and the nations, to whom I now send you

Romans 1:28

And even as they did not think fit to have God in their knowledge, God gave them over to a reprobate mind, to do the things not right,

Romans 2:19

and persuading yourselves to be a guide of the blind, a light to those in darkness;

Romans 8:7-8

because the carnal mind is enmity against God, for it is not subject to the Law of God, neither indeed can it be.

1 Corinthians 1:21

For since, in the wisdom of God, the world by wisdom did not know God, it pleased God by the foolishness of preaching to save those who believe.

2 Corinthians 3:14

(But their thoughts were blinded; for until the present the same veil remains on the reading of the old covenant, not taken away.) But this veil has been done away in Christ.

2 Corinthians 4:4

in whom the god of this world has blinded the minds of the unbelieving ones, so that the light of the glorious gospel of Christ (who is the image of God) should not dawn on them.

Colossians 1:21

And you, who were once alienated and enemies in your mind by wicked works, yet now He has reconciled

James 4:4

Adulterers and adulteresses! Do you not know that the friendship of the world is enmity with God? Therefore whoever desires to be a friend of the world is the enemy of God.

1 John 2:11

But he who hates his brother is in darkness, and walks in darkness, and does not know where he is going, because darkness has blinded his eyes.

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:

General references

Bible References

The understanding

Psalm 74:20
Look to the covenant; for the dark places of the earth are full of the houses of evil.
Psalm 115:4
Their idols are silver and gold, the work of men's hands.
Isaiah 44:18
They have not known nor understood; for He has shut their eyes so that they cannot see; and their hearts so that they cannot understand.
Isaiah 46:5
To whom will you compare Me, and make Me equal, and compare Me, that we may be alike?
Acts 17:30
Truly, then, God overlooking the times of ignorance, now He strictly commands all men everywhere to repent,
Acts 26:17
delivering you from the people and the nations, to whom I now send you
Romans 1:21
Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.
1 Corinthians 1:21
For since, in the wisdom of God, the world by wisdom did not know God, it pleased God by the foolishness of preaching to save those who believe.
2 Corinthians 4:4
in whom the god of this world has blinded the minds of the unbelieving ones, so that the light of the glorious gospel of Christ (who is the image of God) should not dawn on them.
Galatians 4:8
But then, indeed, not knowing God, you served as slaves to those not by nature being gods.
1 Thessalonians 4:5
(not in the passion of lust, even as the nations who do not know God),

Alienated

Ephesians 2:12
and that at that time you were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world.
Romans 8:7
because the carnal mind is enmity against God, for it is not subject to the Law of God, neither indeed can it be.
Galatians 4:8
But then, indeed, not knowing God, you served as slaves to those not by nature being gods.
Colossians 1:21
And you, who were once alienated and enemies in your mind by wicked works, yet now He has reconciled
1 Thessalonians 4:5
(not in the passion of lust, even as the nations who do not know God),
James 4:4
Adulterers and adulteresses! Do you not know that the friendship of the world is enmity with God? Therefore whoever desires to be a friend of the world is the enemy of God.

Because

Romans 1:21
Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.
Romans 2:19
and persuading yourselves to be a guide of the blind, a light to those in darkness;
1 John 2:11
But he who hates his brother is in darkness, and walks in darkness, and does not know where he is going, because darkness has blinded his eyes.

General references

Leviticus 11:16
and the ostrich, and the great owl, and the gull, and small hawks, according to its kind,
Deuteronomy 29:4
Yet Jehovah has not given you a heart to perceive, and eyes to see, and ears to hear, until today.