Proverbs 10:19

10:19 When words abound, transgression is inevitable,

but the one who restrains his words is wise.

Proverbs 11:13

11:13 The one who goes about slandering others reveals secrets,

but the one who is trustworthy conceals a matter.

Proverbs 13:16

13:16 Every shrewd person acts with knowledge,

but a fool displays his folly.