Proverbs 29:11

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

Proverbs 12:16

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

Proverbs 14:33

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

Proverbs 19:11

A wise man putteth off displeasure, and it is his honour to let some faults pass.

Judges 16:17

And he told her all his heart, and said unto her, "There never came razor nor shears upon mine head, for I have been an abstainer to God even from my mother's womb. If mine hair were cut off, my strength would go from me, and I should wax and be like all other men."

Proverbs 12:23

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

Amos 5:13

Therefore the wise must now be fain to hold his tongue, so wicked a time is it.

Micah 7:5

Let no man believe his friend, nor put his confidence in a prince. Keep the door of thy mouth, from her that lieth in thy bosom:

Treasury of Scripture Knowledge

Summary

A fool uttereth all his mind: but a wise man keepeth it in till afterwards.

Bible References

General references

Proverbs 12:16
A fool uttereth his wrath in all the haste, but a discreet man forgiveth wrong.
Proverbs 14:33
Wisdom resteth in the heart of him that hath understanding; and he will teach them that are unlearned.
Judges 16:17
And he told her all his heart, and said unto her, "There never came razor nor shears upon mine head, for I have been an abstainer to God even from my mother's womb. If mine hair were cut off, my strength would go from me, and I should wax and be like all other men."
Amos 5:13
Therefore the wise must now be fain to hold his tongue, so wicked a time is it.
Micah 7:5
Let no man believe his friend, nor put his confidence in a prince. Keep the door of thy mouth, from her that lieth in thy bosom: