Proverbs 13:16

A sharp man does everything with knowledge, but a foolish man makes clear his foolish thoughts.

Proverbs 15:2

Knowledge is dropping from the tongue of the wise; but from the mouth of the foolish comes a stream of foolish words.

Ecclesiastes 10:3

And when the foolish man is walking in the way, he has no sense and lets everyone see that he is foolish.

1 Samuel 25:10-11

And Nabal gave them his answer and said, Who is David? who is the son of Jesse? there are a number of servants in these days running away from their masters.

1 Samuel 25:17

So now, give thought to what you are going to do; for evil is in store for our master and all his house: for he is such a good-for-nothing person that it is not possible to say anything to him.

1 Samuel 25:25

Let my lord give no attention to Nabal, that good-for-nothing: for as his name is, so is he, a man without sense: but I, your servant, did not see the young men whom my lord sent.

Psalm 112:5

All is well for the man who is kind and gives freely to others; he will make good his cause when he is judged.

Proverbs 12:22-23

False lips are hated by the Lord, but those whose acts are true are his delight.

Proverbs 21:24

The man of pride, lifted up in soul, is named high-hearted; he is acting in an outburst of pride.

Isaiah 52:13

See, my servant will do well in his undertakings, he will be honoured, and lifted up, and be very high.

Matthew 10:16

See, I send you out as sheep among wolves. Be then as wise as snakes, and as gentle as doves.

Romans 16:19

For all have knowledge of how you do what you are ordered. For this reason I have joy in you, but it is my desire that you may be wise in what is good, and without knowledge of evil.

1 Corinthians 14:20

My brothers, do not be children in mind: in evil be as little children, but in mind be of full growth.

Ephesians 5:17

For this reason, then, do not be foolish, but be conscious of the Lord's pleasure.

Treasury of Scripture Knowledge

Summary

Every prudent man dealeth with knowledge: but a fool layeth open his folly.

General references

Bible References

Prudent

Proverbs 12:22
False lips are hated by the Lord, but those whose acts are true are his delight.
Proverbs 15:2
Knowledge is dropping from the tongue of the wise; but from the mouth of the foolish comes a stream of foolish words.
Proverbs 21:24
The man of pride, lifted up in soul, is named high-hearted; he is acting in an outburst of pride.
Psalm 112:5
All is well for the man who is kind and gives freely to others; he will make good his cause when he is judged.
Isaiah 52:13
See, my servant will do well in his undertakings, he will be honoured, and lifted up, and be very high.
Matthew 10:16
See, I send you out as sheep among wolves. Be then as wise as snakes, and as gentle as doves.
Romans 16:19
For all have knowledge of how you do what you are ordered. For this reason I have joy in you, but it is my desire that you may be wise in what is good, and without knowledge of evil.
1 Corinthians 14:20
My brothers, do not be children in mind: in evil be as little children, but in mind be of full growth.
Ephesians 5:17
For this reason, then, do not be foolish, but be conscious of the Lord's pleasure.

A fool

1 Samuel 25:10
And Nabal gave them his answer and said, Who is David? who is the son of Jesse? there are a number of servants in these days running away from their masters.
Ecclesiastes 10:3
And when the foolish man is walking in the way, he has no sense and lets everyone see that he is foolish.

General references

Proverbs 14:33
Wisdom has her resting-place in the mind of the wise, but she is not seen among the foolish.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain