Proverbs 6:12
A worthless man, an evil man, goes around with {deceitful speech}.
Proverbs 4:24
Remove from yourself {deceitful speech}, and abolish {devious talk} from yourself.
1 Samuel 17:28
His oldest brother Eliab heard while he was speaking to the men, {and Eliab became very angry against David} and said, "Why have you come down today, and with whom have you left those few sheep in the wilderness? I know your presumptuousness and the evil of your heart! For you have come down in order to see the battle!"
Psalm 10:3
for [the] wicked boasts about the desire of his {heart}, and [the] one greedy for gain curses [and] treats Yahweh with contempt.
Psalm 10:7
His mouth is filled with cursing, with deceits and oppression; under his tongue are trouble and evil.
Psalm 36:3
The words of his mouth [are] wickedness and deceit. He has ceased to have insight [and] to do good.
Psalm 52:2-4
Your tongue plans destruction, like a sharp razor, working deceit.
Psalm 59:7
Look, they pour out [talk] with their mouth. Swords [are] on their lips, for [they say], "Who hears?"
Psalm 73:8-9
They mock and speak maliciously of oppression; they speak [as though] from on high.
Proverbs 2:12
[in order] to deliver you from the way of evil, from a man who speaks devious things--
Proverbs 6:14
perversion in his heart, he devises evil; at all times he will send out discord.
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 11:6
The righteousness of the upright will save them, but by a scheme the treacherous will be taken captive.
Proverbs 16:27
A man of wickedness concocts evil, and his lips [are] like a scorching fire.
Proverbs 17:4
He who does evil listens to lips of wickedness, [and] the liar gives heed to the tongue of mischief.
Jeremiah 24:2
The one basket [had] very good figs, like {early figs}, and the other basket [had] very bad figs that could not be eaten because of [their] bad quality.
Jeremiah 24:8-10
But like the bad figs that cannot be eaten because of [their] bad quality--for thus says Yahweh--so I will treat Zedekiah the king of Judah, and his officials, and the remnant of Jerusalem who remain in this land, and those who live in the land of Egypt.
Matthew 12:34
Offspring of vipers! How are you able to say good things [when you] are evil? For from the abundance of the heart the mouth speaks.
Acts 20:30
And from among you yourselves men will arise, speaking {perversions of the truth} in order to draw away the disciples after them.
1 Timothy 5:13
And at the same time also, going around from house to house, they learn [to be] idle, and not only idle, but also gossipy and busybodies, saying the things [that are] not necessary.
Titus 1:10-11
For there are many rebellious [people], idle talkers and deceivers, especially those of the circumcision,
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 3:6
And the tongue [is] a fire! The world of unrighteousness, the tongue, is set among our members, defiling the whole body and setting on fire {the course of human existence}, being set on fire by hell.