Matthew 12:34

You brood of vipers! How can you, wicked as you are, say anything that is good? For the mouth talks about the things that fill the heart.

Luke 6:45

The good man, out of his good inner storehouse, brings forth what is good, the bad man, out of his bad one, what is bad. For a man's mouth usually speaks the things that fill his heart.

Matthew 23:33

You serpents! You brood of vipers! How can you escape a sentence to the pit!

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 escape from the wrath that is coming?

Matthew 15:18

But the things that come out of the mouth come from the heart, and they make the man foul.

James 3:5-8

So the tongue, too, is a little organ but can boast of great achievements. See how a spark, ever so tiny, can set a vast forest on fire!

Luke 3:7

So he used to say to the crowds that continued to come out there to be baptized by him: "You brood of vipers! Who warned you to escape from the wrath that is coming?

Matthew 12:35

The good man out of his good inner storehouse, brings out good things, the bad man, out of his bad one, bad things.

John 8:44

You sprang from the devil, your real father, and you want to practice your father's wishes. He was a murderer from the very start, and he does not stand by the truth, because there is no truth in him. When he tells a lie, he speaks out of his own nature, because he is a liar and the father of lies.

Ephesians 4:29

You must stop letting any bad word pass your lips, but only words that are good for building up as the occasion demands, so that they will result in spiritual blessing to the hearers.

Romans 3:10-14

as the Scriptures say: "Not a single human creature is upright,

1 John 3:10

This is the way to distinguish God's children from the devil's children. No one who fails to do right is God's child, and no one who fails to love 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
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 escape from the wrath that is coming?
Matthew 23:33
You serpents! You brood of vipers! How can you escape a sentence to the pit!
Luke 3:7
So he used to say to the crowds that continued to come out there to be baptized by him: "You brood of vipers! Who warned you to escape from the wrath that is coming?
John 8:44
You sprang from the devil, your real father, and you want to practice your father's wishes. He was a murderer from the very start, and he does not stand by the truth, because there is no truth in him. When he tells a lie, he speaks out of his own nature, because he is a liar and the father of lies.
1 John 3:10
This is the way to distinguish God's children from the devil's children. No one who fails to do right is God's child, and no one who fails to love his brother.

How

Romans 3:10
as the Scriptures say: "Not a single human creature is upright,
James 3:5
So the tongue, too, is a little organ but can boast of great achievements. See how a spark, ever so tiny, can set a vast forest on fire!

For

Luke 6:45
The good man, out of his good inner storehouse, brings forth what is good, the bad man, out of his bad one, what is bad. For a man's mouth usually speaks the things that fill his heart.

General references

Matthew 15:18
But the things that come out of the mouth come from the heart, and they make the man foul.
Mark 7:20
He kept on saying, "The thing that comes from the inside of a man is the thing that makes him foul,