Matthew 12:34
O vipers' brood, how can you speak what is good when you are evil? For it is from the overflow of the heart that the mouth speaks.
Luke 6:45
A good man from the good stored up in his heart brings out what is good; and an evil man from the evil stored up brings out what is evil; for from the overflow of his heart his mouth speaks.
Matthew 23:33
O serpents, O vipers' brood, how are you to escape condemnation to Gehenna?
Matthew 3:7
But when he saw many of the Pharisees and Sadducees coming for baptism, he exclaimed, "O vipers' brood, who has warned you to flee from the coming wrath?
Matthew 15:18
But the things that come out of the mouth proceed from the heart, and it is these that defile the man.
James 3:5-8
In the same way the tongue is an insignificant part of the body, but it is immensely boastful. Remember how a mere spark may set a vast forest in flames.
Luke 3:7
Accordingly John used to say to the crowds who came out to be baptized by him, "O vipers' brood, who has warned you to flee from the coming wrath?
Matthew 12:35
A good man from his good store produces good things, and a bad man from his bad store produces bad things.
John 8:44
The father whose sons you are is the Devil; and you desire to do what gives him pleasure. *He* was a murderer from the beginning, and does not stand firm in the truth--for there is no truth in him. Whenever he utters his lie, he utters it out of his own store; for he is a liar, and the father of lies.
Ephesians 4:29
Let no unwholesome words ever pass your lips, but let all your words be good for benefiting others according to the need of the moment, so that they may be a means of blessing to the hearers.
Romans 3:10-14
Thus it stands written, "There is not one righteous man.
1 John 3:10
By this we can distinguish God's children and the Devil's children: no one who fails to act righteously is a child of God, nor he who does not love his brother man.