Proverbs 18:2

A fool has no delight in understanding, but that his heart may express itself.

Numbers 24:15-16

And he took up his oracle, and said, Balaam the son of Beor has said, and the man whose eyes are open has said:

Psalm 1:1-2

Blessed is the man that walks not in the counsel of the ungodly, nor stands in the way of sinners, nor sits in the seat of the scornful.

Proverbs 12:23

A prudent man conceals knowledge: but the heart of fools proclaims foolishness.

Proverbs 1:7

The fear of the LORD is the beginning of knowledge: but fools despise wisdom and instruction.

Proverbs 13:16

Every prudent man deals with knowledge: but a fool lays open his folly.

Proverbs 17:16

Why is there a price in the hand of a fool to get wisdom, seeing he has no heart for it?

Ecclesiastes 10:3

Yea also, when he that is a fool walks by the way, his wisdom fails him, and he says to every one that he is a fool.

Matthew 8:34

And, behold, the whole city came out to meet Jesus: and when they saw him, they besought him that he would depart out of their region.

1 Corinthians 8:1

Now concerning things offered unto idols, we know that we all have knowledge. Knowledge puffs up, but love edifies.

1 Corinthians 14:12

Even so you, since you are zealous of spiritual gifts, seek that you may excel to the edifying of the church.

2 Peter 2:15-19

Who have forsaken the right way, and are gone astray, following the way of Balaam the son of Beor, who loved the wages of unrighteousness;

Proverbs 1:22

How long, you simple ones, will you love simplicity? and the scoffers delight in their scoffing, and fools hate knowledge?

Philippians 1:15

Some indeed preach Christ even of envy and strife; and some also of good will:

Treasury of Scripture Knowledge

Summary

A fool hath no delight in understanding, but that his heart may discover itself.

General references

Bible References

Fool

Proverbs 1:7
The fear of the LORD is the beginning of knowledge: but fools despise wisdom and instruction.
Proverbs 17:16
Why is there a price in the hand of a fool to get wisdom, seeing he has no heart for it?
Psalm 1:1
Blessed is the man that walks not in the counsel of the ungodly, nor stands in the way of sinners, nor sits in the seat of the scornful.
Matthew 8:34
And, behold, the whole city came out to meet Jesus: and when they saw him, they besought him that he would depart out of their region.
1 Corinthians 8:1
Now concerning things offered unto idols, we know that we all have knowledge. Knowledge puffs up, but love edifies.

General references

Proverbs 2:10
When wisdom enters into your heart, and knowledge is pleasant unto your soul;
Proverbs 8:9
They are all plain to him that understands, and right to them that find knowledge.