Treasury of Scripture Knowledge

Summary

Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.

Bible References

That which goeth

Mark 7:15
there is nothing outside a man [such as food] which by going into him can defile him [morally or spiritually]; but the things which come out of [the heart of] a man are what defile and dishonor him.
Luke 11:38
The Pharisee noticed this and was surprised that Jesus did not first ceremonially wash before the meal.
Acts 10:14
But Peter said, “Not at all, Lord, for I have never eaten anything that is common (unholy) and [ceremonially] unclean.”
Acts 11:8
But I said, ‘Not at all, Lord; for nothing common (unholy) or [ceremonially] unclean has ever entered my mouth.’
Romans 14:14
I know and am convinced [as one] in the Lord Jesus that nothing is unclean [ritually defiled, and unholy] in itself; but [nonetheless] it is unclean to anyone who thinks it is unclean.
1 Timothy 4:4
For everything God has created is good, and nothing is to be rejected if it is received with gratitude;
Titus 1:15
To the pure, all things are pure; but to the corrupt and unbelieving, nothing is pure; both their mind and their conscience are corrupted.
Hebrews 13:9
Do not be carried away by diverse and strange teachings; for it is good for the heart to be established and strengthened by grace and not by foods [rules of diet and ritualistic meals], which bring no benefit or spiritual growth to those who observe them.

But

Matthew 15:18
But whatever [word] comes out of the mouth comes from the heart, and this is what defiles and dishonors the man.
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.
Psalm 10:7

His mouth is full of curses and deceit (fraud) and oppression;
Under his tongue is mischief and wickedness [injustice and sin].
Psalm 12:2

They speak deceitful and worthless words to one another;
With flattering lips and a double heart they speak.
Psalm 52:2

Your tongue devises destruction,
Like a sharp razor, working deceitfully.
Psalm 58:3

The wicked are estranged from the womb;
These go astray from birth, speaking lies [even twisted partial truths].
Isaiah 37:23

“Whom have you taunted and blasphemed?
And against whom have you raised your voice
And haughtily lifted up your eyes?
Against the Holy One of Israel!
Isaiah 59:3

For your hands are defiled with blood
And your fingers with wickedness [with sin, with injustice, with wrongdoing];
Your lips have spoken lies,
Your tongue mutters wickedness.
Jeremiah 9:3

“They bend their tongue like their bow;
[Their] lies and not truth prevail and grow strong in the land;
For they proceed from evil to evil,
And they do not know and understand and acknowledge Me,” says the Lord.
Romans 3:13

Their throat is an open grave;
They [habitually] deceive with their tongues.”
The venom of asps is beneath their lips.”
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!
2 Peter 2:18
For uttering arrogant words of vanity [pompous words disguised to sound scholarly or profound, but meaning nothing and containing no spiritual truth], they beguile and lure using lustful desires, by sensuality, those who barely escape from the ones who live in error.

General references

Leviticus 11:2
“Speak to the children of Israel, saying, ‘Among all the animals which are on the earth, these are the animals which you may eat.
Matthew 15:18
But whatever [word] comes out of the mouth comes from the heart, and this is what defiles and dishonors the man.
Luke 12:57
“And why do you not even on your own initiative judge what is right?