Isaiah 1:3
The ox knows his owner, and the donkey his master's crib: but Israel does not know, my people do not consider.
Jeremiah 8:7
Yea, the stork in the heavens knows her appointed times; and the turtledove and the crane and the swallow observe the time of their coming; but my people know not the law of the LORD.
Isaiah 44:18
They have not known nor understood: for he has shut their eyes, that they cannot see; and their hearts, that they cannot understand.
Deuteronomy 32:28-29
For they are a nation void of counsel, neither is there any understanding in them.
Psalm 94:8
Understand, you senseless among the people: and you fools, when will you be wise?
Proverbs 6:6
Go to the ant, you sluggard; consider her ways, and be wise:
Isaiah 5:12
And the harp, and the lyre, the timbrel, and flute, and wine, are in their feasts: but they regard not the work of the LORD, neither consider the operation of his hands.
Isaiah 27:11
When its boughs are withered, they shall be broken off: the women come, and set them on fire: for it is a people of no understanding: therefore he that made them will not have mercy on them, and he that formed them will show them no favor.
Jeremiah 4:22
For my people are foolish, they have not known me; they are stupid children, and they have no understanding: they are wise to do evil, but how to do good they have no knowledge.
Jeremiah 9:3-6
And they bend their tongues like their bow for lies: but they are not valiant for the truth upon the earth; for they proceed from evil to evil, and they know not me, says the LORD.
Jeremiah 10:8
But they are altogether senseless and foolish: the wooden idol is a doctrine of vanities.
Jeremiah 10:14
Every man is senseless in his knowledge: every goldsmith is put to shame by the graven image: for his molten image is falsehood, and there is no breath in them.
Matthew 13:13-15
Therefore speak I to them in parables: because seeing they see not; and hearing they hear not, neither do they understand.
Matthew 13:19
When any one hears the word of the kingdom, and understands it not, then comes the wicked one, and catches away that which was sown in his heart. This is he who received seed by the way side.
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 proper;
2 Peter 3:5
For this they willingly are ignorant of, that by the word of God the heavens were of old, and the earth standing out of the water and in the water: