Ephesians 4:18

Whose thoughts are dark, to whom the life of God is strange because they are without knowledge, and their hearts have been made hard;

Ephesians 2:12

That you were at that time without Christ, being cut off from any part in Israel's rights as a nation, having no part in God's agreement, having no hope, and without God in the world.

Galatians 4:8

But at that time, having no knowledge of God, you were servants to those who by right are no gods:

1 Thessalonians 4:5

Not in the passion of evil desires, like the Gentiles, who have no knowledge of God;

Acts 17:30

Those times when men had no knowledge were overlooked by God; but now he gives orders to all men in every place to undergo a change of heart:

Romans 1:21-23

Because, having the knowledge of God, they did not give glory to God as God, and did not give praise, but their minds were full of foolish things, and their hearts, being without sense, were made dark.

Romans 11:25

For it is my desire, brothers, that this secret may be clear to you, so that you may not have pride in your knowledge, that Israel has been made hard in part, till all the Gentiles have come in;

Psalm 74:20

Keep in mind your undertaking; for the dark places of the earth are full of pride and cruel acts.

Psalm 115:4-8

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

Isaiah 44:18-20

They have no knowledge or wisdom; for he has put a veil over their eyes, so that they may not see; and on their hearts, so that they may not give attention.

Isaiah 46:5-8

Who in your eyes is my equal? or what comparison will you make with me?

Daniel 5:20

But when his heart was lifted up and his spirit became hard with pride, he was put down from his place as king, and they took his glory from him:

Matthew 13:15

For the heart of this people has become fat and their ears are slow in hearing and their eyes are shut; for fear that they might see with their eyes and give hearing with their ears and become wise in their hearts and be turned again to me, so that I might make them well.

Mark 3:5

And looking round on them he was angry, being sad because of their hard hearts; and he said to the man, Put out your hand. And he put it out, and his hand was made well.

John 12:40

He has made their eyes blind, and their hearts hard; for fear that they might see with their eyes and get knowledge with their hearts, and be changed, and I might make them well.

Acts 26:17-18

And I will keep you safe from the people, and from the Gentiles, to whom I send you,

Romans 1:28

And because they had not the mind to keep God in their knowledge, God gave them up to an evil mind, to do those things which are not right;

Romans 2:19

In the belief that you are a guide to the blind, a light to those in the dark,

Romans 8:7-8

Because the mind of the flesh is opposite to God; it is not under the law of God, and is not able to be:

1 Corinthians 1:21

For because, by the purpose of God, the world, with all its wisdom, had not the knowledge of God, it was God's pleasure, by so foolish a thing as preaching, to give salvation to those who had faith in him.

2 Corinthians 3:14

But their minds were made hard: for to this very day at the reading of the old agreement the same veil is still unlifted; though it is taken away in Christ.

2 Corinthians 4:4

Because the god of this world has made blind the minds of those who have not faith, so that the light of the good news of the glory of Christ, who is the image of God, might not be shining on them.

Colossians 1:21

And you, who in the past were cut off and at war with God in your minds through evil works, he has now made one

James 4:4

O you who are false to God, do you not see that the friends of this world are not God's friends? Every man desiring to be a friend of this world makes himself a hater of God.

1 John 2:11

But he who has hate for his brother is in the dark, walking in the dark with no knowledge of where he is going, unable to see because of the dark.

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
Keep in mind your undertaking; for the dark places of the earth are full of pride and cruel acts.
Psalm 115:4
Their images are silver and gold, the work of men's hands.
Isaiah 44:18
They have no knowledge or wisdom; for he has put a veil over their eyes, so that they may not see; and on their hearts, so that they may not give attention.
Isaiah 46:5
Who in your eyes is my equal? or what comparison will you make with me?
Acts 17:30
Those times when men had no knowledge were overlooked by God; but now he gives orders to all men in every place to undergo a change of heart:
Acts 26:17
And I will keep you safe from the people, and from the Gentiles, to whom I send you,
Romans 1:21
Because, having the knowledge of God, they did not give glory to God as God, and did not give praise, but their minds were full of foolish things, and their hearts, being without sense, were made dark.
1 Corinthians 1:21
For because, by the purpose of God, the world, with all its wisdom, had not the knowledge of God, it was God's pleasure, by so foolish a thing as preaching, to give salvation to those who had faith in him.
2 Corinthians 4:4
Because the god of this world has made blind the minds of those who have not faith, so that the light of the good news of the glory of Christ, who is the image of God, might not be shining on them.
Galatians 4:8
But at that time, having no knowledge of God, you were servants to those who by right are no gods:
1 Thessalonians 4:5
Not in the passion of evil desires, like the Gentiles, who have no knowledge of God;

Alienated

Ephesians 2:12
That you were at that time without Christ, being cut off from any part in Israel's rights as a nation, having no part in God's agreement, having no hope, and without God in the world.
Romans 8:7
Because the mind of the flesh is opposite to God; it is not under the law of God, and is not able to be:
Galatians 4:8
But at that time, having no knowledge of God, you were servants to those who by right are no gods:
Colossians 1:21
And you, who in the past were cut off and at war with God in your minds through evil works, he has now made one
1 Thessalonians 4:5
Not in the passion of evil desires, like the Gentiles, who have no knowledge of God;
James 4:4
O you who are false to God, do you not see that the friends of this world are not God's friends? Every man desiring to be a friend of this world makes himself a hater of God.

Because

Romans 1:21
Because, having the knowledge of God, they did not give glory to God as God, and did not give praise, but their minds were full of foolish things, and their hearts, being without sense, were made dark.
Romans 2:19
In the belief that you are a guide to the blind, a light to those in the dark,
1 John 2:11
But he who has hate for his brother is in the dark, walking in the dark with no knowledge of where he is going, unable to see because of the dark.

General references

Leviticus 11:16
And the ostrich and the night-hawk and the sea-hawk, and birds of that sort;
Deuteronomy 29:4
But even to this day the Lord has not given you a mind open to knowledge, or seeing eyes or hearing ears.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain