Matthew 12:34
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
Luke 6:45
The good man out of the good treasure of his heart bringeth forth that which is good; and the evil man out of the evil treasure bringeth forth that which is evil; for out of the abundance of his heart his mouth speaketh.
Matthew 23:33
Serpents, brood of vipers! how can ye escape the punishment of hell?
Matthew 3:7
But seeing many of the Pharisees and Sadducees coming to be baptized, he said to them, Brood of vipers, who warned you to flee from the coming wrath?
Matthew 15:18
But the things which proceed from the mouth come out of the heart; and these defile a man.
James 3:5-8
So also the tongue is a little member, and boasteth great things. Behold, how great a forest a little fire kindleth!
Luke 3:7
He said therefore to the multitudes that came forth to be baptized by him, Brood of vipers, who warned you to flee from the coming wrath?
Matthew 12:35
The good man, from his good treasure, bringeth out good things; and the evil man, from his evil treasure, bringeth out evil things.
John 8:44
Ye are of your father the Devil, and what your father desireth ye are ready to do. He was a murderer from the beginning; and he abideth not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh from his own nature; for he is a liar, and the father of it.
Ephesians 4:29
Let no foul language proceed out of your mouth, but whatever is good for edification, as the need may be, that it may benefit the hearers;
Romans 3:10-14
As it is written: "There is none righteous, no, not one;
1 John 3:10
In this are manifest the children of God and the children of the Devil. Whoever doeth not righteousness is not of God, and he that loveth not his brother.