Proverbs 4:24
Remove from yourself {deceitful speech}, and abolish {devious talk} from yourself.
Ephesians 4:25-31
Therefore, putting aside the lie, speak truth each one of you with his neighbor, because we are members of one another.
Job 11:14
if iniquity [is] in your hand, put it far away, and you must not let wickedness reside in your tents--
Proverbs 6:12
A worthless man, an evil man, goes around with {deceitful speech}.
Proverbs 8:8
All sayings of my mouth [are] in righteousness; none of them are twisted and crooked.
Proverbs 8:13
The fear of Yahweh [is] hatred of evil, pride, and arrogance and an evil way. And I hate a mouth of perversity.
Proverbs 17:20
He who is crooked of heart will not find goodness, and he who is perverse, by his tongue he will fall into calamity.
Ezekiel 18:31
Throw {away from yourselves} all of your transgressions that you committed, and make {for yourselves} a new heart and new spirit, and [so] why will you die, house of Israel?
Colossians 3:8
But now you also lay aside all [these] things: anger, rage, wickedness, slander, abusive language from your mouth.
1 Timothy 6:5
constant wrangling by people of depraved mind and deprived of the truth, who consider godliness to be a means of gain.
James 1:21
Therefore, putting aside all moral uncleanness and wicked excess, welcome with humility the implanted message which is able to save your souls.
James 1:26
If anyone thinks he is religious, [although he] does not bridle his tongue but deceives his heart, this person's religion [is] worthless.
1 Peter 2:1
Therefore, ridding yourselves of all malice and all deceit and hypocrisy and envy and all slander,