Matthew 15:18

But the things that proceed out of the mouth come from the heart, and those defile the man.

Matthew 12:34

You brood of vipers, how can you, being evil, speak what is good? For the mouth speaks out of that which fills the heart.

Proverbs 15:2

The tongue of the wise makes knowledge acceptable,
But the mouth of fools spouts folly.

Proverbs 15:28

The heart of the righteous ponders how to answer,
But the mouth of the wicked pours out evil things.

Matthew 15:11

It is not what enters into the mouth that defiles the man, but what proceeds out of the mouth, this defiles the man.”

James 3:6-10

And the tongue is a fire, the very world of iniquity; the tongue is set among our members as that which defiles the entire body, and sets on fire the course of our life, and is set on fire by hell.

1 Samuel 24:13

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

Psalm 36:3

The words of his mouth are wickedness and deceit;
He has ceased to be wise and to do good.

Proverbs 6:12

A worthless person, a wicked man,
Is the one who walks with a perverse mouth,

Proverbs 10:32

The lips of the righteous bring forth what is acceptable,
But the mouth of the wicked what is perverted.

Luke 19:22

He *said to him, ‘By your own words I will judge you, you worthless slave. Did you know that I am an exacting man, taking up what I did not lay down and reaping what I did not sow?

Revelation 13:5-6

There was given to him a mouth speaking arrogant words and blasphemies, and authority to act for forty-two months was given to him.

Treasury of Scripture Knowledge

Summary

But those things which proceed out of the mouth come forth from the heart; and they defile the man.

Bible References

General references

Matthew 15:11
It is not what enters into the mouth that defiles the man, but what proceeds out of the mouth, this defiles the man.”
Matthew 12:34
You brood of vipers, how can you, being evil, speak what is good? For the mouth speaks out of that which fills the heart.
1 Samuel 24:13
As the proverb of the ancients says, ‘Out of the wicked comes forth wickedness’; but my hand shall not be against you.
Psalm 36:3
The words of his mouth are wickedness and deceit;
He has ceased to be wise and to do good.
Proverbs 6:12
A worthless person, a wicked man,
Is the one who walks with a perverse mouth,
Proverbs 10:32
The lips of the righteous bring forth what is acceptable,
But the mouth of the wicked what is perverted.
Proverbs 15:2
The tongue of the wise makes knowledge acceptable,
But the mouth of fools spouts folly.
Luke 19:22
He *said to him, ‘By your own words I will judge you, you worthless slave. Did you know that I am an exacting man, taking up what I did not lay down and reaping what I did not sow?
James 3:6
And the tongue is a fire, the very world of iniquity; the tongue is set among our members as that which defiles the entire body, and sets on fire the course of our life, and is set on fire by hell.
Revelation 13:5
There was given to him a mouth speaking arrogant words and blasphemies, and authority to act for forty-two months was given to him.