With his mouth the impious man destroyeth his neighbour; but through knowledge shall the righteous be delivered.

Provérbios 11:9

A froward man soweth strife; and a whisperer separateth familiar friends.

Provérbios 16:28

He that hideth hatred is of lying lips; and he that uttereth a slander is a fool.

Provérbios 10:18

He that walketh uprightly, and worketh righteousness, and speaketh truth in his heart;

That hath no slander upon his tongue, nor doeth evil to his fellow, nor taketh up a reproach against his neighbour;

Salmos 15:2,3

He that goeth about as a talebearer revealeth secrets; but he that is of a faithful spirit concealeth a matter.

Provérbios 11:13