Matthew 12:34

You brood of vipers, how can you speak good things when you are evil? For the mouth speaks out of that which fills the heart.

Luke 6:45

The [intrinsically] good man produces what is good and honorable and moral out of the good treasure [stored] in his heart; and the [intrinsically] evil man produces what is wicked and depraved out of the evil [in his heart]; for his mouth speaks from the overflow of his heart.

Matthew 23:33

You serpents, you spawn of vipers, how can you escape the penalty of hell?

Matthew 3:7

But when he saw many of the Pharisees and Sadducees coming for baptism, he said to them, “You brood of vipers, who warned you to flee from the [divine] wrath and judgment to come?

Matthew 15:18

But whatever [word] comes out of the mouth comes from the heart, and this is what defiles and dishonors the man.

James 3:5-8

In the same sense, the tongue is a small part of the body, and yet it boasts of great things.

See [by comparison] how great a forest is set on fire by a small spark!

1 Samuel 24:13

As the proverb of the ancients says, ‘Out of the wicked comes wickedness’; but my hand shall not be against you.

Isaiah 32:6


For the fool speaks nonsense,
And his heart (mind) plans wickedness:
To practice ungodliness and to speak error concerning the Lord,
To keep the craving of the hungry unsatisfied
And to deprive the thirsty of drink.

Luke 3:7

So he began saying to the crowds who were coming out to be baptized by him, “You brood of vipers, who warned you to flee from the wrath [of God that is] to come?

Psalm 10:6-7


He says to himself, “I will not be moved;
For throughout all generations I will not be in adversity [for nothing bad will happen to me].”

Matthew 12:35

The good man, from his [inner] good treasure, brings out good things; and the evil man, from his [inner] evil treasure, brings out evil things.

John 8:44

You are of your father the devil, and it is your will to practice the desires [which are characteristic] of your father. He was a murderer from the beginning, and does not stand in the truth because there is no truth in him. When he lies, he speaks what is natural to him, for he is a liar and the father of lies and half-truths.

Ephesians 4:29

Do not let unwholesome [foul, profane, worthless, vulgar] words ever come out of your mouth, but only such speech as is good for building up others, according to the need and the occasion, so that it will be a blessing to those who hear [you speak].

Psalm 52:2-5


Your tongue devises destruction,
Like a sharp razor, working deceitfully.

Psalm 53:1

The [empty-headed] fool has said in his heart, “There is no God.”
They are corrupt and evil, and have committed repulsive injustice;
There is no one who does good.

Psalm 64:3


Who have sharpened their tongues like a sword.
They aim venomous words as arrows,

Psalm 64:5


They encourage themselves in [their pursuit of] an evil agenda;
They talk of laying snares secretly;
They say, “Who will discover us?”

Psalm 120:2-4


Rescue my soul, O Lord, from lying lips,
And from a deceitful tongue.

Psalm 140:2-3


They devise evil things in their hearts;
They continually [gather together and] stir up wars.

Isaiah 59:4


No one sues righteously [but for the sake of doing injury to others—to take some undue advantage], and no one pleads [his case] in truth; [but rather]
They trust in empty arguments and speak lies;
They conceive trouble and bring forth injustice.

Isaiah 59:14


Justice is pushed back,
And righteous behavior stands far away;
For truth has fallen in the city square,
And integrity cannot enter.

Jeremiah 7:2-5

“Stand in the gate of the Lord’s house and proclaim there this word and say, ‘Hear the word of the Lord, all you of Judah who enter by these gates to worship the Lord.’”

Romans 3:10-14

As it is written and forever remains written,

There is none righteous [none that meets God’s standard], not even one.

1 John 3:10

By this the children of God and the children of the devil are clearly identified: anyone who does not practice righteousness [who does not seek God’s will in thought, action, and purpose] is not of God, nor is the one who does not [unselfishly] love his [believing] 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
But when he saw many of the Pharisees and Sadducees coming for baptism, he said to them, “You brood of vipers, who warned you to flee from the [divine] wrath and judgment to come?
Matthew 23:33
You serpents, you spawn of vipers, how can you escape the penalty of hell?
Luke 3:7
So he began saying to the crowds who were coming out to be baptized by him, “You brood of vipers, who warned you to flee from the wrath [of God that is] to come?
John 8:44
You are of your father the devil, and it is your will to practice the desires [which are characteristic] of your father. He was a murderer from the beginning, and does not stand in the truth because there is no truth in him. When he lies, he speaks what is natural to him, for he is a liar and the father of lies and half-truths.
1 John 3:10
By this the children of God and the children of the devil are clearly identified: anyone who does not practice righteousness [who does not seek God’s will in thought, action, and purpose] is not of God, nor is the one who does not [unselfishly] love his [believing] brother.

How

1 Samuel 24:13
As the proverb of the ancients says, ‘Out of the wicked comes wickedness’; but my hand shall not be against you.
Psalm 10:6

He says to himself, “I will not be moved;
For throughout all generations I will not be in adversity [for nothing bad will happen to me].”
Psalm 52:2

Your tongue devises destruction,
Like a sharp razor, working deceitfully.
Psalm 53:1
The [empty-headed] fool has said in his heart, “There is no God.”
They are corrupt and evil, and have committed repulsive injustice;
There is no one who does good.
Psalm 64:3

Who have sharpened their tongues like a sword.
They aim venomous words as arrows,
Psalm 120:2

Rescue my soul, O Lord, from lying lips,
And from a deceitful tongue.
Psalm 140:2

They devise evil things in their hearts;
They continually [gather together and] stir up wars.
Isaiah 32:6

For the fool speaks nonsense,
And his heart (mind) plans wickedness:
To practice ungodliness and to speak error concerning the Lord,
To keep the craving of the hungry unsatisfied
And to deprive the thirsty of drink.
Isaiah 59:4

No one sues righteously [but for the sake of doing injury to others—to take some undue advantage], and no one pleads [his case] in truth; [but rather]
They trust in empty arguments and speak lies;
They conceive trouble and bring forth injustice.
Jeremiah 7:2
“Stand in the gate of the Lord’s house and proclaim there this word and say, ‘Hear the word of the Lord, all you of Judah who enter by these gates to worship the Lord.’”
Romans 3:10
As it is written and forever remains written,

There is none righteous [none that meets God’s standard], not even one.
James 3:5
In the same sense, the tongue is a small part of the body, and yet it boasts of great things.

See [by comparison] how great a forest is set on fire by a small spark!

For

Luke 6:45
The [intrinsically] good man produces what is good and honorable and moral out of the good treasure [stored] in his heart; and the [intrinsically] evil man produces what is wicked and depraved out of the evil [in his heart]; for his mouth speaks from the overflow of his heart.

General references

Exodus 35:21
Everyone whose heart stirred him and everyone whose spirit moved him came and brought the Lord’s offering to be used for the Tent of Meeting, for all its service, and for the holy garments.
Matthew 15:18
But whatever [word] comes out of the mouth comes from the heart, and this is what defiles and dishonors the man.
Mark 7:20
And He said, “Whatever comes from [the heart of] a man, that is what defiles and dishonors him.