Proverbs 10:14
The wise store up knowledge, but the mouth of the fool invites destruction.

Proverbs 11:13
A gossip reveals a secret, but a trustworthy person keeps a confidence.

Proverbs 13:16
Every prudent man acts with knowledge, but a fool displays his folly.

Proverbs 15:2
The tongue of the wise commends knowledge, but the mouth of the fool spouts folly.

Proverbs 18:2
A fool does not delight in understanding, but only in airing his opinions.

Proverbs 29:11
A fool vents all his anger, but a wise man holds it back.