Proverbs 14:33

Wisdom resteth in the heart of him that hath understanding; and he will teach them that are unlearned.

Proverbs 12:16

A fool uttereth his wrath in all the haste, but a discreet man forgiveth wrong.

Proverbs 29:11

A fool poureth out his spirit altogether, but a wise man keepeth it in till afterward.

Proverbs 12:23

He that hath understanding can hide his wisdom; but an indiscreet heart telleth out his foolishness.

Proverbs 13:16

A wise man doth all things with discretion; but a fool will declare his folly.

Proverbs 15:2

A wise tongue commendeth knowledge; a foolish mouth babbleth out nothing but foolishness.

Proverbs 15:28

A righteous man museth in his mind how to do good; but the mind of the ungodly imagineth how he may do harm.

Ecclesiastes 10:3

A doting fool thinketh, that every man doth as foolishly as himself.

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 uttereth his wrath in all the haste, but a discreet man forgiveth wrong.
Proverbs 13:16
A wise man doth all things with discretion; but a fool will declare his folly.
Proverbs 15:2
A wise tongue commendeth knowledge; a foolish mouth babbleth out nothing but foolishness.
Proverbs 29:11
A fool poureth out his spirit altogether, but a wise man keepeth it in till afterward.
Ecclesiastes 10:3
A doting fool thinketh, that every man doth as foolishly as himself.