Proverbs 13:16

Every sane man works according to wisdom: but the fool shall manifest his folly.

Proverbs 15:2

The tongue of the wise shall adorn wisdom, but the mouth of fools shall speak foolishness.

Ecclesiastes 10:3

Even when the fool walks by the way, he lacks prudence, and he says unto every one that he is a fool.

1 Samuel 25:10-11

And Nabal answered David's slaves and said, Who is David? And who is the son of Jesse? There are many slaves nowadays that break from their masters.

1 Samuel 25:17

Now, therefore, know and consider what thou must do, for evil is determined against our master and against all his household, for he is such a son of Belial that no one can speak to him.

1 Samuel 25:25

Let not my lord, I pray thee, take to heart this man of Belial, even Nabal, for as his name is, so is he; Nabal is his name, and folly is with him; but I, thy handmaid, did not see the servants of my lord whom thou didst send.

Psalm 112:5

Teth A good man has mercy and lends; Jod He will govern his affairs with good judgment.

Proverbs 12:22-23

Lying lips are abomination to the LORD: but the workers of the truth are his delight.

Proverbs 21:24

Proud and haughty scorner is his name, who deals in proud wrath.

Isaiah 52:13

Behold, my slave shall be prospered; he shall be exalted and extolled, and be very high.

Matthew 10:16

Behold, I send you forth as sheep in the midst of wolves; be ye therefore prudent as serpents and innocent as doves.

Romans 16:19

For your obedience is come abroad unto all places. I am glad therefore on your behalf, but yet I would have you wise unto that which is good and innocent concerning evil.

1 Corinthians 14:20

Brothers, be not children in understanding, howbeit in malice be ye children; but in understanding be perfect.

Ephesians 5:17

Therefore, be ye not unwise, but understanding of what the will of the Lord is.

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
Lying lips are abomination to the LORD: but the workers of the truth are his delight.
Proverbs 15:2
The tongue of the wise shall adorn wisdom, but the mouth of fools shall speak foolishness.
Proverbs 21:24
Proud and haughty scorner is his name, who deals in proud wrath.
Psalm 112:5
Teth A good man has mercy and lends; Jod He will govern his affairs with good judgment.
Isaiah 52:13
Behold, my slave shall be prospered; he shall be exalted and extolled, and be very high.
Matthew 10:16
Behold, I send you forth as sheep in the midst of wolves; be ye therefore prudent as serpents and innocent as doves.
Romans 16:19
For your obedience is come abroad unto all places. I am glad therefore on your behalf, but yet I would have you wise unto that which is good and innocent concerning evil.
1 Corinthians 14:20
Brothers, be not children in understanding, howbeit in malice be ye children; but in understanding be perfect.
Ephesians 5:17
Therefore, be ye not unwise, but understanding of what the will of the Lord is.

A fool

1 Samuel 25:10
And Nabal answered David's slaves and said, Who is David? And who is the son of Jesse? There are many slaves nowadays that break from their masters.
Ecclesiastes 10:3
Even when the fool walks by the way, he lacks prudence, and he says unto every one that he is a fool.

General references

Proverbs 14:33
Wisdom shall rest in the heart of him that is sane and is made known in the midst of the fools.