Proverbs 14:33

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

Proverbs 12:16

A fool's wrath is presently known, but he who covers the injury is sane.

Proverbs 29:11

The fool gives full rein to his spirit, but the wise man in the end will bring it into rest.

Proverbs 12:23

The sane man conceals his wisdom: but the heart of fools proclaims foolishness.

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.

Proverbs 15:28

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

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.

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 wrath is presently known, but he who covers the injury is sane.
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.
Proverbs 29:11
The fool gives full rein to his spirit, but the wise man in the end will bring it into rest.
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.