With his mouth the godless man destroys his neighbor, but the righteous will be delivered through knowledge.

Provérbios 11:9

A perverse man stirs up strife. A whisperer separates close friends.

Provérbios 16:28

Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear.

Efésios 4:29

He who hides hatred has lying lips. He who utters a slander is a fool.

Provérbios 10:18

“Blessed are you when people reproach you, persecute you, and say all kinds of evil against you falsely, for my sake.

Mateus 5:11

He who walks blamelessly and does what is right, and speaks truth in his heart;

he who doesn’t slander with his tongue, nor does evil to his friend, nor casts slurs against his fellow man;

Salmos 15:2,3

One who brings gossip betrays a confidence, but one who is of a trustworthy spirit is one who keeps a secret.

Provérbios 11:13