who devise evil in their hearts

Proverbs 6:14
With deceit in his heart he devises evil; he continually sows discord.

Proverbs 6:18
a heart that devises wicked schemes, feet that run swiftly to evil,

Micah 2:1
Woe to those who devise iniquity and plot evil on their beds! At morning’s light they accomplish it because the power is in their hands.

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and stir up war all day long.

Psalm 120:7
I am in favor of peace; but when I speak, they want war.

James 4:1
What causes conflicts and quarrels among you? Don’t they come from the passions at war within you?

Proverbs 15:18
A hot-tempered man stirs up strife, but he who is slow to anger calms dispute.

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James 3:6-8
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. / All kinds of animals, birds, reptiles, and creatures of the sea are being tamed and have been tamed by man, / but no man can tame the tongue. It is a restless evil, full of deadly poison.

Romans 3:13-14
“Their throats are open graves; their tongues practice deceit.” “The venom of vipers is on their lips.” / “Their mouths are full of cursing and bitterness.”

Proverbs 6:16-19
There are six things that the LORD hates, seven that are detestable to Him: / haughty eyes, a lying tongue, hands that shed innocent blood, / a heart that devises wicked schemes, feet that run swiftly to evil, …

Matthew 12:34-35
You brood of vipers, how can you who are evil say anything good? For out of the overflow of the heart the mouth speaks. / The good man brings good things out of his good store of treasure, and the evil man brings evil things out of his evil store of treasure.

Jeremiah 9:3-8
“They bend their tongues like bows; lies prevail over truth in the land. For they proceed from evil to evil, and they do not take Me into account,” declares the LORD. / “Let everyone guard against his neighbor; do not trust any brother, for every brother deals craftily, and every friend spreads slander. / Each one betrays his friend; no one tells the truth. They have taught their tongues to lie; they wear themselves out committing iniquity. …

Ephesians 4:31
Get rid of all bitterness, rage and anger, outcry and slander, along with every form of malice.

Proverbs 10:18
The one who conceals hatred has lying lips, and whoever spreads slander is a fool.

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.

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.

Proverbs 12:18
Speaking rashly is like a piercing sword, but the tongue of the wise brings healing.