Isaiah 44:18
They know not, nor do they discern, for he has shut their eyes, so that they cannot see, and their hearts, so that they cannot understand.
Psalm 81:12
So I gave them over to their stubborn hearts, to follow their own counsels.
Isaiah 29:10
For the LORD has poured out upon you a spirit of deep sleep, and has closed your eyes (the prophets), and covered your heads (the seers).
Jeremiah 10:8
They are both stupid and foolish; the instruction of idols is but wood!
Jeremiah 10:14
Every man is stupid and without knowledge; every goldsmith is put to shame by his idols, for his images are false, and there is no breath in them.
Psalm 92:6
The stupid man cannot know; the fool cannot understand this:
Proverbs 2:5-9
then you will understand the fear of the LORD and find the knowledge of God.
Proverbs 28:5
Evil men do not understand justice, but those who seek the LORD understand it completely.
Isaiah 1:3
The ox knows its owner, and the donkey its master's crib, but Israel does not know, my people do not understand."
Isaiah 6:9-10
And he said, "Go, and say to this people: "'Keep on hearing, but do not understand; keep on seeing, but do not perceive.'
Isaiah 44:9
All who fashion idols are nothing, and the things they delight in do not profit. Their witnesses neither see nor know, that they may be put to shame.
Isaiah 44:20
He feeds on ashes; a deluded heart has led him astray, and he cannot deliver himself or say, "Is there not a lie in my right hand?"
Isaiah 45:20
"Assemble yourselves and come; draw near together, you survivors of the nations! They have no knowledge who carry about their wooden idols, and keep on praying to a god that cannot save.
Isaiah 46:7-8
They lift it to their shoulders, they carry it, they set it in its place, and it stands there; it cannot move from its place. If one cries to it, it does not answer or save him from his trouble.
Isaiah 56:11
The dogs have a mighty appetite; they never have enough. But they are shepherds who have no understanding; they have all turned to their own way, each to his own gain, one and all.
Jeremiah 5:21
"Hear this, O foolish and senseless people, who have eyes, but see not, who have ears, but hear not.
Daniel 12:10
Many shall purify themselves and make themselves white and be refined, but the wicked shall act wickedly. And none of the wicked shall understand, but those who are wise shall understand.
Hosea 14:9
Whoever is wise, let him understand these things; whoever is discerning, let him know them; for the ways of the LORD are right, and the upright walk in them, but transgressors stumble in them.
Matthew 12:34
You brood of vipers! How can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.
Matthew 13:14-15
Indeed, in their case the prophecy of Isaiah is fulfilled that says: "'You will indeed hear but never understand, and you will indeed see but never perceive.
John 5:44
How can you believe, when you receive glory from one another and do not seek the glory that comes from the only God?
John 8:43
Why do you not understand what I say? It is because you cannot bear to hear my word.
John 12:39-40
Therefore they could not believe. For again Isaiah said,
Acts 14:16
In past generations he allowed all the nations to walk in their own ways.
Romans 1:21-23
For although they knew God, they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened.
Romans 1:28
And since they did not see fit to acknowledge God, God gave them up to a debased mind to do what ought not to be done.
Romans 11:8-10
as it is written, "God gave them a spirit of stupor, eyes that would not see and ears that would not hear, down to this very day."
2 Corinthians 4:3-4
And even if our gospel is veiled, it is veiled only to those who are perishing.
2 Thessalonians 2:9-12
The coming of the lawless one is by the activity of Satan with all power and false signs and wonders,
2 Peter 2:14
They have eyes full of adultery, insatiable for sin. They entice unsteady souls. They have hearts trained in greed. Accursed children!