Proverbs 12:23

A prudent man is concealing knowledge, And the heart of fools proclaimeth folly.

Proverbs 13:16

Every prudent one dealeth with knowledge, And a fool spreadeth out folly.

Proverbs 15:2

The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.

Proverbs 11:13

A busybody is revealing secret counsel, And the faithful of spirit is covering the matter.

Proverbs 10:14

The wise lay up knowledge, and the mouth of a fool is near ruin.

Proverbs 10:19

In the abundance of words transgression ceaseth not, And whoso is restraining his lips is wise.

Ecclesiastes 10:3

And also, when he that is a fool Is walking in the way, his heart is lacking, And he hath said to every one, 'He is a fool.'

Ecclesiastes 10:12-14

Words of the mouth of the wise are gracious, And the lips of a fool swallow him up.

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
In the abundance of words transgression ceaseth not, And whoso is restraining his lips is wise.
Proverbs 11:13
A busybody is revealing secret counsel, And the faithful of spirit is covering the matter.
Proverbs 13:16
Every prudent one dealeth with knowledge, And a fool spreadeth out folly.

But

Proverbs 15:2
The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.
Ecclesiastes 10:3
And also, when he that is a fool Is walking in the way, his heart is lacking, And he hath said to every one, 'He is a fool.'

General references

Proverbs 14:33
In the heart of the intelligent wisdom doth rest. And in the midst of fools it is known.
Proverbs 29:11
A fool bringeth out all his mind, And the wise till afterwards restraineth it.