Proverbs 12:23

A prudent man keeps what he knows to himself, but the hearts of fools shout forth their foolishness.

Proverbs 13:16

Every sensible person acts from knowledge, but a fool demonstrates folly.

Proverbs 15:2

The wise speak, presenting knowledge appropriately, but fools spout foolishness.

Proverbs 11:13

Whoever spreads gossip betrays secrets, but the trustworthy person keeps a confidence.

Proverbs 10:14

Those who are wise store up knowledge, but when the fool speaks, destruction is near.

Proverbs 10:19

Transgression is at work where people talk too much, but anyone who holds his tongue is prudent.

Ecclesiastes 10:3

Furthermore, the way a fool lives shows he has no sense; he proclaims to everyone that he's a fool.

Ecclesiastes 10:12-14

The words spoken by the wise are gracious, but the lips of a fool will devour him.

Treasury of Scripture Knowledge

Summary

A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

General references

Bible References

A prudent

Proverbs 10:19
Transgression is at work where people talk too much, but anyone who holds his tongue is prudent.
Proverbs 11:13
Whoever spreads gossip betrays secrets, but the trustworthy person keeps a confidence.
Proverbs 13:16
Every sensible person acts from knowledge, but a fool demonstrates folly.

But

Proverbs 15:2
The wise speak, presenting knowledge appropriately, but fools spout foolishness.
Ecclesiastes 10:3
Furthermore, the way a fool lives shows he has no sense; he proclaims to everyone that he's a fool.

General references

Proverbs 14:33
Wisdom is at rest in the mind of the discerning even fools know this.
Proverbs 29:11
The fool vents all his feelings, but the wise person keeps them to himself.

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