With his mouth doth the hypocrite destroy his neighbor; but through knowledge are the righteous delivered.

Provérbios 11:9

A perverse man scattereth strife; and a whisperer separateth confident friends.

Provérbios 16:28

He that hideth hatred hath lips of falsehood; and he that spreadeth abroad an evil report, is a fool.

Provérbios 10:18

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

That uttereth no calumny with his tongue, that doth no evil to his neighbor, and bringeth no reproach on his fellow–man;

Salmos 15:2,3

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

Provérbios 11:13