Matthew 15:11
Not what enters into the mouth defiles the man; but what goes forth out of the mouth, this defiles the man.
Acts 10:14-15
And Peter said, In no wise, Lord; for I have never eaten anything common or unclean.
Mark 7:15
There is nothing from outside a man entering into him which can defile him; but the things which go out from him, those it is which defile the man.
Psalm 10:7
His mouth is full of cursing, and deceit, and oppression; under his tongue is mischief and iniquity.
Psalm 12:2
They speak falsehood every one with his neighbour: with flattering lip, with a double heart, do they speak.
Psalm 52:2-4
Thy tongue deviseth mischievous things, like a sharp razor, practising deceit.
Psalm 58:3-4
The wicked go astray from the womb; they err as soon as they are born, speaking lies.
Isaiah 37:23
Whom hast thou reproached and blasphemed? and against whom hast thou exalted the voice? Against the Holy One of Israel hast thou lifted up thine eyes on high.
Isaiah 59:3-5
For your hands are stained with blood, and your fingers with iniquity; your lips speak lies, your tongue muttereth unrighteousness:
Isaiah 59:13-15
in transgressing and lying against Jehovah, and departing away from our God, speaking oppression and revolt, conceiving and uttering from the heart words of falsehood.
Jeremiah 9:3-6
And they bend their tongue, their bow of falsehood, and not for fidelity are they valiant in the land; for they proceed from evil to evil, and they know not me, saith Jehovah.
Matthew 12:34-37
Offspring of vipers! how can ye speak good things, being wicked? For of the abundance of the heart the mouth speaks.
Matthew 15:18-20
but the things which go forth out of the mouth come out of the heart, and those defile man.
Luke 11:38-41
But the Pharisee seeing it wondered that he had not first washed before dinner.
Acts 11:8-9
And I said, In no wise, Lord, for common or unclean has never entered into my mouth.
Romans 3:13-14
their throat is an open sepulchre; with their tongues they have used deceit; asps' poison is under their lips:
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.
Romans 14:17
for the kingdom of God is not eating and drinking, but righteousness, and peace, and joy in the Holy Spirit.
Romans 14:20
For the sake of meat do not destroy the work of God. All things indeed are pure; but it is evil to that man who eats while stumbling in doing so.
1 Timothy 4:4-5
For every creature of God is good, and nothing is to be rejected, being received with thanksgiving;
Titus 1:15
All things are pure to the pure; but to the defiled and unbelieving nothing is pure; but both their mind and their conscience are defiled.
Hebrews 13:9
Be not carried away with various and strange doctrines; for it is good that the heart be confirmed with grace, not meats; those who have walked in which have not been profited by them.
James 3:5-8
Thus also the tongue is a little member, and boasts great things. See how little a fire, how large a wood it kindles!
2 Peter 2:18
For while speaking great highflown words of vanity, they allure with the lusts of the flesh, by dissoluteness, those who have just fled those who walk in error,