Psalms 82:5

82:5 They neither know nor understand.

They stumble around in the dark,

while all the foundations of the earth crumble.

Psalms 107:43

107:43 Whoever is wise, let him take note of these things!

Let them consider the Lord’s acts of loyal love!

Proverbs 2:9

2:9 Then you will understand righteousness and justice

and equity – every good way.

Proverbs 8:5

8:5 You who are naive, discern wisdom!

And you fools, understand discernment!

Proverbs 9:4

9:4 “Whoever is naive, let him turn in here,”

she says to those who lack understanding.

Proverbs 9:16

9:16 “Whoever is simple, let him turn in here,”

she says to those who lack understanding.

Isaiah 27:11

27:11 When its branches get brittle, they break;

women come and use them for kindling.

For these people lack understanding,

therefore the one who made them has no compassion on them;

the one who formed them has no mercy on them.

Jeremiah 4:22

4:22 The Lord answered,

“This will happen because my people are foolish.

They do not know me.

They are like children who have no sense.

They have no understanding.

They are skilled at doing evil.

They do not know how to do good.”

Daniel 12:10

12:10 Many will be purified, made clean, and refined, but the wicked will go on being wicked. None of the wicked will understand, though the wise will understand.

Matthew 13:15

13:15 For the heart of this people has become dull;

they are hard of hearing,

and they have shut their eyes,

so that they would not see with their eyes

and hear with their ears

and understand with their hearts

and turn, and I would heal them.

Romans 3:11

3:11 there is no one who understands,

there is no one who seeks God.