Matthew 12:34
O ye generations of vipers, how are you, being evil, able to speak good things? for 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 the good; and the wicked man out of the wicked treasure of his heart brings forth that which is wicked: for out of the abundance of his heart his mouth speaks.
Matthew 23:33
Ye serpents, generations of vipers, how can you escape from the judgment of hell?
Matthew 3:7
And seeing many of the Pharisees and Sadducees coming to his baptism, he said unto them; O generations of vipers, who hath warned you to flee from the wrath to come?
Matthew 15:18
But those things going out from the mouth come forth from the heart; and these pollute the man.
James 3:5-8
so also the tongue is a little member, and it boasts great things. Behold, how great a wood a little fire kindles!
Luke 3:7
Then he said unto the multitudes coming out to be baptized by him; O generations of vipers, who hath warned you to flee from the wrath to come?
Matthew 12:35
The good man, out of the good treasure (heart) brings forth good things: and the wicked man out of the wicked treasure (heart) brings forth wicked things.
John 8:44
You are of your father the devil, and you wish to do the lusts of your father. He was a murderer from the beginning, and stood not in the truth, because there was no truth in him. When he may speak a lie, he speaks of his own: because he is a liar, and the father of the same.
Ephesians 4:29
Let no corrupt communication go forth out of your mouth, but if anything is good unto edification of need, in order that he may give grace to those who hear.
Romans 3:10-14
as has been written, There is no one good, not one:
1 John 3:10
In this the children of God are manifest, and the children of the devil: every one not doing righteousness is not of God, and the one not loving his brother with divine love.