Ephesians 5:4
Nor should there be obscenity, foolish talk, or crude joking, which are out of character, but rather thanksgiving.

Matthew 12:36-37
But I tell you that men will give an account on the day of judgment for every careless word they have spoken. / For by your words you will be acquitted, and by your words you will be condemned.”

James 3:5-6
In the same way, the tongue is a small part of the body, but it boasts of great things. Consider how small a spark sets a great forest ablaze. / The tongue also is a fire, a world of wickedness among the parts of the body. It pollutes the whole person, sets the course of his life on fire, and is itself set on fire by hell.

Colossians 3:8
But now you must put aside all such things as these: anger, rage, malice, slander, and filthy language from your lips.

1 Peter 3:10
For, “Whoever would love life and see good days must keep his tongue from evil and his lips from deceitful speech.

Romans 1:29-30
They have become filled with every kind of wickedness, evil, greed, and depravity. They are full of envy, murder, strife, deceit, and malice. They are gossips, / slanderers, God-haters, insolent, arrogant, and boastful. They invent new forms of evil; they disobey their parents.

Galatians 5:19-21
The acts of the flesh are obvious: sexual immorality, impurity, and debauchery; / idolatry and sorcery; hatred, discord, jealousy, and rage; rivalries, divisions, factions, / and envy; drunkenness, orgies, and the like. I warn you, as I did before, that those who practice such things will not inherit the kingdom of God.

1 Corinthians 6:9-10
Do you not know that the wicked will not inherit the kingdom of God? Do not be deceived: Neither the sexually immoral, nor idolaters, nor adulterers, nor men who submit to or perform homosexual acts, / nor thieves, nor the greedy, nor drunkards, nor verbal abusers, nor swindlers, will inherit the kingdom of God.

2 Timothy 3:2-4
For men will be lovers of themselves, lovers of money, boastful, arrogant, abusive, disobedient to their parents, ungrateful, unholy, / unloving, unforgiving, slanderous, without self-control, brutal, without love of good, / traitorous, reckless, conceited, lovers of pleasure rather than lovers of God,

Matthew 5:22
But I tell you that anyone who is angry with his brother will be subject to judgment. Again, anyone who says to his brother, ‘Raca,’ will be subject to the Sanhedrin. But anyone who says, ‘You fool!’ will be subject to the fire of hell.

Psalm 52:2-4
Your tongue devises destruction like a sharpened razor, O worker of deceit. / You love evil more than good, falsehood more than speaking truth. Selah / You love every word that devours, O deceitful tongue.

Psalm 64:3-4
who sharpen their tongues like swords and aim their bitter words like arrows, / ambushing the innocent in seclusion, shooting suddenly, without fear.

Psalm 10:7
His mouth is full of cursing, deceit, and violence; trouble and malice are under his tongue.

Psalm 34:13
Keep your tongue from evil and your lips from deceitful speech.

Psalm 120:2-3
Deliver my soul, O LORD, from lying lips and a deceitful tongue. / What will He do to you, and what will be added to you, O deceitful tongue?