The hypocrite destroys his neighbor with his mouth, but the righteous shall be delivered through knowledge.

Provérbios 11:9

A perverse man scatters abroad strife, and a whisperer separates chief friends.

Provérbios 16:28

Let no corrupt speech go out of your mouth, rather if there is any good word for edification of a need, so that it may give grace to those who hear.

Efésios 4:29

He who hides hatred is of lying lips. And he who utters a slander is a fool.

Provérbios 10:18

Blessed are ye when they revile you, and persecute you, and say every evil word, being deceitful against you because of me.

Mateus 5:11

He who walks uprightly, and works righteousness, and speaks truth in his heart,

he who does no slander with his tongue, nor does evil to his friend, nor takes up a reproach against his neighbor,

Salmos 15:2,3

He who goes around as a tale-bearer reveals secrets, but he who is of a faithful spirit conceals a matter.

Provérbios 11:13