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

That at that time ye 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

Howbeit then, when ye knew not God, ye did service unto them which by nature are no gods.

1 Thessalonians 4:5

Not in the lust of concupiscence, even as the Gentiles which know not God:

Acts 17:30

And the times of this ignorance God winked at; but now commandeth all men every where to repent:

Romans 1:21-23

Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.

Romans 11:25

For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in.

Psalm 74:20

Have respect unto the covenant: for the dark places of the earth are full of the habitations of cruelty.

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 hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.

Isaiah 46:5-8

To whom will ye liken me, and make me equal, and compare me, that we may be like?

Daniel 5:20

But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him:

Matthew 13:15

For this people's heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; 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 when he had looked round about on them with anger, being grieved for the hardness of their hearts, he saith unto the man, Stretch forth thine hand. And he stretched it out: and his hand was restored whole as the other.

John 12:40

He hath blinded their eyes, and hardened their heart; 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 thee from the people, and from the Gentiles, unto whom now I send thee,

Romans 1:28

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not convenient;

Romans 2:19

And art confident that thou thyself art a guide of the blind, a light of them which are 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 be.

1 Corinthians 1:21

For after that in the wisdom of God the world by wisdom knew not God, it pleased God by the foolishness of preaching to save them that believe.

2 Corinthians 3:14

But their minds were blinded: for until this day remaineth the same vail untaken away in the reading of the old testament; which vail is done away in Christ.

2 Corinthians 4:4

In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.

Colossians 1:21

And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled

James 4:4

Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.

1 John 2:11

But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he goeth, because that darkness hath 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
Have respect unto the covenant: for the dark places of the earth are full of the habitations of cruelty.
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 hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Isaiah 46:5
To whom will ye liken me, and make me equal, and compare me, that we may be like?
Acts 17:30
And the times of this ignorance God winked at; but now commandeth all men every where to repent:
Acts 26:17
Delivering thee from the people, and from the Gentiles, unto whom now I send thee,
Romans 1:21
Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
1 Corinthians 1:21
For after that in the wisdom of God the world by wisdom knew not God, it pleased God by the foolishness of preaching to save them that believe.
2 Corinthians 4:4
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.
Galatians 4:8
Howbeit then, when ye knew not God, ye did service unto them which by nature are no gods.
1 Thessalonians 4:5
Not in the lust of concupiscence, even as the Gentiles which know not God:

Alienated

Ephesians 2:12
That at that time ye 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 be.
Galatians 4:8
Howbeit then, when ye knew not God, ye did service unto them which by nature are no gods.
Colossians 1:21
And you, that were sometime alienated and enemies in your mind by wicked works, yet now hath he reconciled
1 Thessalonians 4:5
Not in the lust of concupiscence, even as the Gentiles which know not God:
James 4:4
Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.

Because

Romans 1:21
Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.
Romans 2:19
And art confident that thou thyself art a guide of the blind, a light of them which are in darkness,
1 John 2:11
But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he goeth, because that darkness hath blinded his eyes.

General references

Leviticus 11:16
And the owl, and the night hawk, and the cuckow, and the hawk after his kind,
Deuteronomy 29:4
Yet the LORD hath not given you an heart to perceive, and eyes to see, and ears to hear, unto this day.

King James Version Public Domain