Matthew 12:34

Brood of vipers! how are ye able to speak good things -- being evil? for out of the abundance of the heart doth the mouth speak.

Luke 6:45

The good man out of the good treasure of his heart doth bring forth that which is good; and the evil man out of the evil treasure of his heart doth bring forth that which is evil; for out of the abounding of the heart doth his mouth speak.

Matthew 23:33

'Serpents! brood of vipers! how may ye escape from the judgment of the gehenna?

Matthew 3:7

And having seen many of the Pharisees and Sadducees coming about his baptism, he said to them, 'Brood of vipers! who did shew you to flee from the coming wrath?

Matthew 15:18

but the things coming forth from the mouth from the heart do come forth, and these defile the man;

James 3:5-8

so also the tongue is a little member, and doth boast greatly; lo, a little fire how much wood it doth kindle!

1 Samuel 24:13

as saith the simile of the ancients, From the wicked goeth out wickedness, and my hand is not on thee.

Isaiah 32:6

For a fool speaketh folly, And his heart doth iniquity, to do profanity, And to speak concerning Jehovah error, To empty the soul of the hungry, Yea, drink of the thirsty he causeth to lack.

Luke 3:7

Then said he to the multitudes coming forth to be baptised by him, 'Brood of vipers! who did prompt you to flee from the coming wrath?

Psalm 10:6-7

He hath said in his heart, 'I am not moved,' To generation and generation not in evil.

Matthew 12:35

The good man out of the good treasure of the heart doth put forth the good things, and the evil man out of the evil treasure doth put forth evil things.

John 8:44

Ye are of a father -- the devil, and the desires of your father ye will to do; he was a man-slayer from the beginning, and in the truth he hath not stood, because there is no truth in him; when one may speak the falsehood, of his own he speaketh, because he is a liar -- also his father.

Ephesians 4:29

Let no corrupt word out of your mouth go forth, but what is good unto the needful building up, that it may give grace to the hearers;

Psalm 52:2-5

Mischiefs doth thy tongue devise, Like a sharp razor, working deceit.

Psalm 53:1

To the Overseer. -- 'On a disease.' -- An instruction, by David. A fool said in his heart, 'There is no God.' They have done corruptly, Yea, they have done abominable iniquity, There is none doing good.

Psalm 64:3

Who sharpened as a sword their tongue, They directed their arrow -- a bitter word.

Psalm 64:5

They strengthen for themselves an evil thing, They recount of the hiding of snares, They have said, 'Who doth look at it?'

Psalm 120:2-4

O Jehovah, deliver my soul from a lying lip, From a deceitful tongue!

Psalm 140:2-3

Who have devised evils in the heart, All the day they assemble for wars.

Isaiah 59:4

There is none calling in righteousness, And there is none pleading in faithfulness, Trusting on emptiness, and speaking falsehood, Conceiving perverseness, and bearing iniquity.

Isaiah 59:14

And removed backward is judgment, And righteousness afar off standeth, For truth hath been feeble in the street, And straightforwardness is not able to enter,

Jeremiah 7:2-5

Stand in the gate of the house of Jehovah, and thou hast proclaimed there this word, and hast said, Hear a word of Jehovah, all ye of Judah, who are coming in at these gates, to bow before Jehovah:

Romans 3:10-14

according as it hath been written -- 'There is none righteous, not even one;

1 John 3:10

In this manifest are the children of God, and the children of the devil; every one who is not doing righteousness, is not of God, and he who is not loving his brother,

Treasury of Scripture Knowledge

Summary

O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

For

General references

Bible References

Generation

Matthew 3:7
And having seen many of the Pharisees and Sadducees coming about his baptism, he said to them, 'Brood of vipers! who did shew you to flee from the coming wrath?
Matthew 23:33
'Serpents! brood of vipers! how may ye escape from the judgment of the gehenna?
Luke 3:7
Then said he to the multitudes coming forth to be baptised by him, 'Brood of vipers! who did prompt you to flee from the coming wrath?
John 8:44
Ye are of a father -- the devil, and the desires of your father ye will to do; he was a man-slayer from the beginning, and in the truth he hath not stood, because there is no truth in him; when one may speak the falsehood, of his own he speaketh, because he is a liar -- also his father.
1 John 3:10
In this manifest are the children of God, and the children of the devil; every one who is not doing righteousness, is not of God, and he who is not loving his brother,

How

1 Samuel 24:13
as saith the simile of the ancients, From the wicked goeth out wickedness, and my hand is not on thee.
Psalm 10:6
He hath said in his heart, 'I am not moved,' To generation and generation not in evil.
Psalm 52:2
Mischiefs doth thy tongue devise, Like a sharp razor, working deceit.
Psalm 53:1
To the Overseer. -- 'On a disease.' -- An instruction, by David. A fool said in his heart, 'There is no God.' They have done corruptly, Yea, they have done abominable iniquity, There is none doing good.
Psalm 64:3
Who sharpened as a sword their tongue, They directed their arrow -- a bitter word.
Psalm 120:2
O Jehovah, deliver my soul from a lying lip, From a deceitful tongue!
Psalm 140:2
Who have devised evils in the heart, All the day they assemble for wars.
Isaiah 32:6
For a fool speaketh folly, And his heart doth iniquity, to do profanity, And to speak concerning Jehovah error, To empty the soul of the hungry, Yea, drink of the thirsty he causeth to lack.
Isaiah 59:4
There is none calling in righteousness, And there is none pleading in faithfulness, Trusting on emptiness, and speaking falsehood, Conceiving perverseness, and bearing iniquity.
Jeremiah 7:2
Stand in the gate of the house of Jehovah, and thou hast proclaimed there this word, and hast said, Hear a word of Jehovah, all ye of Judah, who are coming in at these gates, to bow before Jehovah:
Romans 3:10
according as it hath been written -- 'There is none righteous, not even one;
James 3:5
so also the tongue is a little member, and doth boast greatly; lo, a little fire how much wood it doth kindle!

For

Luke 6:45
The good man out of the good treasure of his heart doth bring forth that which is good; and the evil man out of the evil treasure of his heart doth bring forth that which is evil; for out of the abounding of the heart doth his mouth speak.

General references

Exodus 35:21
and they come in -- every man whom his heart hath lifted up, and every one whom his spirit hath made willing -- they have brought in the heave-offering of Jehovah for the work of the tent of meeting, and for all its service, and for the holy garments.
Matthew 15:18
but the things coming forth from the mouth from the heart do come forth, and these defile the man;
Mark 7:20
And he said -- 'That which is coming out from the man, that doth defile the man;