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.
Psalm 81:12
So I gave them up to their own hearts lust: and they walked in their own counsels.
Isaiah 29:10
For the LORD hath poured out upon you the spirit of deep sleep, and hath closed your eyes: the prophets and your rulers, the seers hath he covered.
Jeremiah 10:8
But they are altogether brutish and foolish: the stock is a doctrine of vanities.
Jeremiah 10:14
Every man is brutish in his knowledge: every founder is confounded by the graven image: for his molten image is falsehood, and there is no breath in them.
Psalm 92:6
A brutish man knoweth not; neither doth a fool understand this.
Proverbs 2:5-9
Then shalt thou understand the fear of the LORD, and find the knowledge of God.
Proverbs 28:5
Evil men understand not judgment: but they that seek the LORD understand all things.
Isaiah 1:3
The ox knoweth his owner, and the ass his master's crib: but Israel doth not know, my people doth not consider.
Isaiah 6:9-10
And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.
Isaiah 44:9
They that make a graven image are all of them vanity; and their delectable things shall not profit; and they are their own witnesses; they see not, nor know; that they may be ashamed.
Isaiah 44:20
He feedeth on ashes: a deceived heart hath turned him aside, that he cannot deliver his soul, nor say, Is there not a lie in my right hand?
Isaiah 45:20
Assemble yourselves and come; draw near together, ye that have escaped of the nations: they have no knowledge that set up the wood of their graven image, and pray to a god that cannot save.
Isaiah 46:7-8
They bear him upon the shoulder, they carry him, and set him in his place, and he standeth; from his place shall he not remove: yes, one shall cry to him, yet he cannot answer, nor save him out of his trouble.
Isaiah 56:11
Yes, they are greedy dogs which can never have enough, and they are shepherds that cannot understand: they all look to their own way, every one for his gain, from his quarter.
Jeremiah 5:21
Hear now this, O foolish people, and without understanding; 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? prudent, and he shall know them? for the ways of the LORD are right, and the just shall walk in them: but the transgressors shall fall in them.
Matthew 12:34
O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart, the mouth speaketh.
Matthew 13:14-15
And in them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive:
John 5:44
How can ye believe, who receive honor one from another, and seek not the honor that cometh from God only?
John 8:43
Why do ye not understand my speech? even because ye cannot hear my word.
John 12:39-40
Therefore they could not believe, because that Isaiah said again,
Acts 14:16
Who in times past suffered all nations to walk in their own ways.
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 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 11:8-10
(According as it is written, God hath given them the spirit of slumber, eyes that they should not see, and ears that they should not hear;) to this day.
2 Corinthians 4:3-4
But if our gospel is hid, it is hid to them that are lost:
2 Thessalonians 2:9-12
Even him, whose coming is after the working of Satan, with all power, and signs, and lying wonders,
2 Peter 2:14
Having eyes full of adultery, and that cannot cease from sin; beguiling unstable souls: they have a heart exercised with covetous practices; cursed children: