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.
Psalm 81:12
So I gave them up to the stubbornness of their own hearts; and they walked in their own conceits.
Isaiah 29:10
For Jehovah has poured out on you the spirit of deep sleep, and has closed your eyes; He has covered the prophets and your heads, the seers.
Jeremiah 10:8
But they are all at once foolish and animal-like; the tree is an example of vanities.
Jeremiah 10:14
Every man is stupid for lack of knowledge; every refiner is put to shame by the graven image; for his molten image is a lie, and no breath is in them.
Psalm 92:6
A beastly man does not know; nor does a fool understand this.
Proverbs 2:5-9
then you shall understand the fear of Jehovah and find the knowledge of God.
Proverbs 28:5
Evil men do not understand judgment; but those who seek Jehovah understand all things.
Isaiah 1:3
The ox knows his owner, and the ass his master's crib; but Israel does not know; My people do not understand.
Isaiah 6:9-10
And He said, Go, and tell this people, You hear indeed, but do not understand; and seeing you see, but do not know.
Isaiah 44:9
Those who make a graven image are all of them vanity; and the things in which they delight shall not help; and they are their own witnesses. They do not see nor know, that they may be ashamed.
Isaiah 44:20
He feeds on ashes; a deceived heart has turned him aside, so that he cannot deliver his soul, nor say, Is there not a lie in my right hand?
Isaiah 45:20
Gather yourselves and come; draw near together, escaped ones of the nations; those who set up the wood of their graven image, and those that pray to a god that cannot save. They know nothing.
Isaiah 46:7-8
They carry it on the shoulder, they carry it and set it in its place, and it stands; it shall not move from its place. Yes, one shall cry to it, yet it cannot answer, nor save him out of his trouble.
Isaiah 56:11
Yea, they are greedy dogs which can never have enough; and they are shepherds who cannot understand. They all look to their own way, every one for his gain, to his own end.
Jeremiah 5:21
Now hear this, O foolish people and without heart; who have eyes and see not; who have ears and hear not;
Daniel 12:10
Many shall be purified, and made white, and tried. But the wicked shall do wickedly. And none of the wicked shall understand, but the wise shall understand.
Hosea 14:9
Who is wise, and he shall understand these things? Understanding, and he shall know them? For the ways of Jehovah are right, and the just shall walk in them; but sinners shall fall in them.
Matthew 12:34
Offspring of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Matthew 13:14-15
And in them is fulfilled the prophecy of Isaiah which said, "By hearing you shall hear and shall not understand; and seeing you shall see and shall not perceive;
John 5:44
How can you believe, you who receive honor from one another and do not seek the honor that comes from God only?
John 8:43
Why do you not know My speech? Because you cannot hear My Word.
John 12:39-40
Therefore they could not believe, because Isaiah said again,
Acts 14:16
who in past generations allowed all nations to walk in their own ways.
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 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 11:8-10
even as it is written, "God gave to them a spirit of slumber, eyes not seeing, and ears not hearing" until this day.
2 Corinthians 4:3-4
But also if our gospel is hidden, it is hidden to those being lost,
2 Thessalonians 2:9-12
whose coming is according to the working of Satan with all power and signs and lying wonders,
2 Peter 2:14
having eyes full of adultery and never ceasing from sin, alluring unstable souls, having a heart exercised with covetousness. They are cursed children