Matthew 12:34
You offspring of vipers. How can you who are evil speak good things? Out of the abundance of the heart the mouth speaks.
Luke 6:45
The good man out of the good treasure of his heart brings forth that which is good. The evil man out of the evil treasure brings forth that which is evil. Out of the abundance of the heart his mouth speaks.
Matthew 23:33
You serpents! You offspring of vipers! How will you escape from being destroyed in the ever-burning fires of the Valley of Hinnom? (Greek: Gehenna, the trash fires in the valley just outside of Jerusalem)
Matthew 3:7
He saw many Pharisees and Sadducees coming for baptism. You offspring of vipers, he said, who warned you to flee from the wrath to come?
Matthew 15:18
That which comes out of the mouth, comes from the heart and makes a man unclean.
James 3:5-8
The tongue also is a little member. It boasts great things. Consider how great a forest fire a small fire kindles!
1 Samuel 24:13
An old proverb says: 'Only evil people do evil things.' So I will not harm you.
Isaiah 32:6
A fool speaks foolishly and thinks up evil things to do. He promotes wickedness and what he says insults Jehovah. He never feeds the hungry or gives thirsty people anything to drink.
Luke 3:7
He told the crowds that came to be baptized by him: You offspring of vipers, who warned you to flee from the wrath to come?
Psalm 10:6-7
He says to himself: Nothing can shake me. I will never face trouble.
Matthew 12:35
The good man performs good things out of his good treasure. The evil man performs evil things out of his evil treasure.
John 8:44
You are from your father [Satan] the Devil (slanderer) (false accuser)! You want to do the desires of your father. He was a murderer from the beginning. He does not stand for the truth. There is no truth in him. When he speaks a lie, he speaks his own lies. He is a liar and the father of the lie!
Ephesians 4:29
Let no corrupt speech proceed out of your mouth. Speak what is good for understanding as the need may be, that it may give grace (divine favor) to those who hear.
Psalm 52:2-5
Your tongue makes up wickedness. It is like a sharp razor, you master of deceit.
Psalm 53:1
([Psalm of David]) The fool has said in his heart: There is no God (Jehovah)*. They are corrupt and have done abominable (detestable) iniquity. There are none who do good. (*Possible deliberate scribal change from YHWH to Elohim)
Psalm 64:3
Their words cut like swords, and their cruel remarks sting like sharp arrows.
Psalm 64:5
They are determined to do evil, and they tell themselves: Let us set traps! No one can see us.
Psalm 120:2-4
O Jehovah, rescue me from lying lips and from a deceitful tongue.
Psalm 140:2-3
They plan evil things in their hearts. They start conflicts (fights) (wars) every day.
Isaiah 59:4
No one calls for justice and no one pleads his case truthfully. People trust pointless arguments and speak lies. They conceive trouble and give birth to evil.
Isaiah 59:14
Justice is turned back, and righteousness stands far away. Truth has fallen in the street, and honesty cannot come in.
Jeremiah 7:2-5
Stand at the gate of Jehovah's house and proclaim there this word: 'Hear the word of Jehovah, all you of Judah who enter by these gates to worship Jehovah!
Romans 3:10-14
The Scriptures say: There is no one who is righteous,
1 John 3:10
In this the children of God and the children of the devil are revealed. Whoever does not practice righteousness is not from God. He who does not love his brother is not from God.