Proverbs 14:33

Wisdom rests in the heart of the man with understanding. That in the heart of fools is made known.

Proverbs 12:16

A fool's anger is instantly known. A prudent man conceals shame.

Proverbs 29:11

A fool loses his temper. But a wise man holds it back.

Proverbs 12:23

A prudent man conceals knowledge. The heart of fools proclaims foolishness.

Proverbs 13:16

Every prudent man acts with knowledge. A fool displays his folly.

Proverbs 15:2

The tongue of the wise uses knowledge properly. The mouth of fools pours out foolishness.

Proverbs 15:28

The heart of the righteous studies how to answer. The mouth of the wicked pours out evil things.

Ecclesiastes 10:3

When he who is a fool walks along the path, his wisdom fails him, and he says to every one that he is a fool.

Treasury of Scripture Knowledge

Summary

Wisdom resteth in the heart of him that hath understanding: but that which is in the midst of fools is made known.

Bible References

General references

Proverbs 12:16
A fool's anger is instantly known. A prudent man conceals shame.
Proverbs 13:16
Every prudent man acts with knowledge. A fool displays his folly.
Proverbs 15:2
The tongue of the wise uses knowledge properly. The mouth of fools pours out foolishness.
Proverbs 29:11
A fool loses his temper. But a wise man holds it back.
Ecclesiastes 10:3
When he who is a fool walks along the path, his wisdom fails him, and he says to every one that he is a fool.