Isaiah 44:18
They know not, neither do they consider: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Psalm 81:12
So I let them go after the stubbornness of their heart, That they might walk in their own counsels.
Isaiah 29:10
For Jehovah hath poured out upon you the spirit of deep sleep, and hath closed your eyes, the prophets; and your heads, the seers, hath he covered.
Jeremiah 10:8
But they are together brutish and foolish: the instruction of idols! it is but a stock.
Jeremiah 10:14
Every man is become brutish and is without knowledge; every goldsmith is put to shame by his 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 Jehovah, And find the knowledge of God.
Proverbs 28:5
Evil men understand not justice; But they that seek Jehovah 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 fashion a graven image are all of them vanity; and the things that they delight in shall not profit; and their own witnesses see not, nor know: that they may be put to shame.
Isaiah 44:20
He feedeth on ashes; a deceived heart hath turned him aside; and 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 are escaped of the nations: they have no knowledge that carry the wood of their graven image, and pray unto a god that cannot save.
Isaiah 46:7-8
They bear it upon the shoulder, they carry it, and set it in its place, and it standeth, from its place shall it not remove: yea, one may cry unto it, yet can it not answer, nor save him out of his trouble.
Isaiah 56:11
Yea, the dogs are greedy, they can never have enough; and these are shepherds that cannot understand: they have all turned to their own way, each one to his gain, from every quarter.
Jeremiah 5:21
Hear now this, O foolish people, and without understanding; that have eyes, and see not; that have ears, and hear not:
Daniel 12:10
Many shall purify themselves, and make themselves white, and be refined; but the wicked shall do wickedly; and none of the wicked shall understand; but they that are wise shall understand.
Hosea 14:9
Who is wise, that he may understand these things? prudent, that he may know them? for the ways of Jehovah are right, and the just shall walk in them; but transgressors shall fall therein.
Matthew 12:34
Ye offspring 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 unto them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive:
John 5:44
How can ye believe, who receive glory one of another, and the glory that cometh from the only God ye seek not?
John 8:43
Why do ye not understand my speech? Even because ye cannot hear my word.
John 12:39-40
For this cause they could not believe, for that Isaiah said again,
Acts 14:16
who in the generations gone by suffered all the nations to walk in their own ways.
Romans 1:21-23
because that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened.
Romans 1:28
And even as they refused to have God in their knowledge, God gave them up unto a reprobate mind, to do those things which are not fitting;
Romans 11:8-10
according as it is written, God gave them a spirit of stupor, eyes that they should not see, and ears that they should not hear, unto this very day.
2 Corinthians 4:3-4
And even if our gospel is veiled, it is veiled in them that perish:
2 Thessalonians 2:9-12
even he , 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 that cannot cease from sin; enticing unstedfast souls; having a heart exercised in covetousness; children of cursing;