Isaiah 1:3

“The ox [instinctively] knows its owner,
And the donkey its master’s feeding trough,
But Israel does not know [Me as Lord],
My people do not understand.”

Jeremiah 8:7

“Even the stork in the sky
Knows her seasons [of migration],
And the turtledove, the swallow and the crane
Observe the time of their return.
But My people do not know
The law of the Lord.

Isaiah 44:18

They do not know, nor do they understand, for God has muddied their eyes so that they cannot see, and their hearts (minds) as well so that they cannot understand.

Deuteronomy 32:28-29

“For they are a nation devoid of counsel,
And there is no understanding in them.

Psalm 94:8

Consider thoughtfully, you senseless (stupid ones) among the people;
And you [dull-minded] fools, when will you become wise and understand?

Proverbs 6:6

Go to the ant, O lazy one;
Observe her ways and be wise,

Isaiah 5:12

They have lyre and harp, tambourine and flute, and wine at their feasts;
But they do not regard nor even pay attention to the deeds of the Lord,
Nor do they consider the work of His hands.

When its branches are dry, they are broken off;
The women come and make a fire with them.
For they are not a people of understanding,
Therefore He who made them will not have compassion on them,
And He who created them will not be gracious to them.

Jeremiah 4:22

“For My people are stupid and foolish,” [says the Lord to Jeremiah];
“They do not know Me;
They are foolish children
And have no understanding.
They are shrewd [enough] to do evil,
But they do not know [how] to do good.”

Jeremiah 9:3-6

“They bend their tongue like their bow;
[Their] lies and not truth prevail and grow strong in the land;
For they proceed from evil to evil,
And they do not know and understand and acknowledge Me,” says the Lord.

Jeremiah 10:8

But they are altogether irrational and stupid and foolish
In their discipline of delusion—their idol is [only] wood [it is ridiculous, empty and worthless]!

Jeremiah 10:14

Every man has become [like a brute] irrational and stupid, without knowledge [of God];
Every goldsmith is shamed by his carved idols;
For his molten images are frauds and lies,
And there is no breath in them.

Matthew 13:13-15

This is the reason I speak to the crowds in parables: because while [having the power of] seeing they do not see, and while [having the power of] hearing they do not hear, nor do they understand and grasp [spiritual things].

Matthew 13:19

When anyone hears the word of the kingdom [regarding salvation] and does not understand and grasp it, the evil one comes and snatches away what was sown in his heart. This is the one on whom seed was sown beside the road.

Romans 1:28

And since they did not see fit to acknowledge God or consider Him worth knowing [as their Creator], God gave them over to a depraved mind, to do things which are improper and repulsive,

2 Peter 3:5

For they willingly forget [the fact] that the heavens existed long ago by the word of God, and the earth was formed out of water and by water,

Treasury of Scripture Knowledge

Summary