Proverbs 13:16

Every prudent one dealeth with knowledge, And a fool spreadeth out folly.

Proverbs 15:2

The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.

Ecclesiastes 10:3

And also, when he that is a fool Is walking in the way, his heart is lacking, And he hath said to every one, 'He is a fool.'

1 Samuel 25:10-11

And Nabal answereth the servants of David and saith, 'Who is David, and who the son of Jesse? to-day have servants been multiplied who are breaking away each from his master;

1 Samuel 25:17

And, now, know and consider what thou dost; for evil hath been determined against our lord, and against all his house, and he is too much a son of worthlessness to be spoken to.'

1 Samuel 25:25

Let not, I pray thee, my lord set his heart to this man of worthlessness, on Nabal, for as his name is so is he; Nabal is his name, and folly is with him; and I, thine handmaid, did not see the young men of my lord whom thou didst send;

Psalm 112:5

Good is the man -- gracious and lending, He sustaineth his matters in judgment.

Proverbs 12:22-23

An abomination to Jehovah are lying lips, And stedfast doers are his delight.

Proverbs 21:24

Proud, haughty, scorner is his name, Who is working in the wrath of pride.

Isaiah 52:13

Lo, My servant doth act wisely, He is high, and hath been lifted up, And hath been very high.

Matthew 10:16

'Lo, I do send you forth as sheep in the midst of wolves, be ye therefore wise as the serpents, and simple as the doves.

Romans 16:19

for your obedience did reach to all; I rejoice, therefore, as regards you, and I wish you to be wise, indeed, as to the good, and harmless as to the evil;

1 Corinthians 14:20

Brethren, become not children in the understanding, but in the evil be ye babes, and in the understanding become ye perfect;

Ephesians 5:17

because of this become not fools, but -- understanding what is the will of the Lord,

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
An abomination to Jehovah are lying lips, And stedfast doers are his delight.
Proverbs 15:2
The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.
Proverbs 21:24
Proud, haughty, scorner is his name, Who is working in the wrath of pride.
Psalm 112:5
Good is the man -- gracious and lending, He sustaineth his matters in judgment.
Isaiah 52:13
Lo, My servant doth act wisely, He is high, and hath been lifted up, And hath been very high.
Matthew 10:16
'Lo, I do send you forth as sheep in the midst of wolves, be ye therefore wise as the serpents, and simple as the doves.
Romans 16:19
for your obedience did reach to all; I rejoice, therefore, as regards you, and I wish you to be wise, indeed, as to the good, and harmless as to the evil;
1 Corinthians 14:20
Brethren, become not children in the understanding, but in the evil be ye babes, and in the understanding become ye perfect;
Ephesians 5:17
because of this become not fools, but -- understanding what is the will of the Lord,

A fool

1 Samuel 25:10
And Nabal answereth the servants of David and saith, 'Who is David, and who the son of Jesse? to-day have servants been multiplied who are breaking away each from his master;
Ecclesiastes 10:3
And also, when he that is a fool Is walking in the way, his heart is lacking, And he hath said to every one, 'He is a fool.'

General references

Proverbs 14:33
In the heart of the intelligent wisdom doth rest. And in the midst of fools it is known.