Matthew 15:11
Not that which goes into the mouth defiles a man; but that which comes out of the mouth, this defiles a man.
Acts 10:14-15
But Peter said, Not so, Lord, for I have never eaten anything that is common or unclean.
Mark 7:15
There is nothing from outside a man which entering into him can defile him. But the things which come out of him, those are the ones that defile the man.
Psalm 10:7
His mouth is full of cursing and deceit and fraud; under his tongue are mischief and vanity.
Psalm 12:2
They speak vanity each one with his neighbor; with flattering lips and a double heart they speak.
Psalm 52:2-4
Your tongue devises evil, like a sharp razor, working deceitfully.
Psalm 58:3-4
The wicked are estranged from the womb; they go astray from the womb, speaking lies.
Isaiah 37:23
Whom have you mocked and blasphemed? And against whom have you raised your voice and lifted up your eyes on high? Even against the Holy One of Israel.
Isaiah 59:3-5
For your hands are defiled with blood, and your fingers with iniquity; your lips have spoken lies, your tongue has muttered perverseness.
Isaiah 59:13-15
in transgressing and lying against Jehovah, and going away from our God, talking cruelty and revolt, conceiving and speaking from the heart words of falsehood.
Jeremiah 9:3-6
And they bend their tongues like their bow for lies. But they are not mighty for the truth on the earth; for they go from evil to evil, and they do not know Me, says Jehovah.
Matthew 12:34-37
Offspring of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Matthew 15:18-20
But the things which come out of the mouth come from the heart, and they defile the man.
Luke 11:38-41
And when the Pharisee saw it, he was amazed that He had not first washed before dinner.
Acts 11:8-9
But I said, Not so, Lord, for nothing common or unclean has at any time entered into my mouth.
Romans 3:13-14
"Their throat is an open grave, with their tongues they have used deceit, the poison of asps is under their lips;
Romans 14:14
I know and am persuaded in the Lord Jesus, that nothing by itself is common; except to him who esteems anything to be common, it is common.
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
Do not undo the work of God for food. Truly, all things indeed are clean, but it is bad to the man eating because of a stumbling-block.
1 Timothy 4:4-5
For every creation of God is good, and nothing to be refused if it is received with thanksgiving.
Titus 1:15
To the pure all things are pure. But to those who are defiled and unbelieving nothing is pure, but even their mind and conscience is defiled.
Hebrews 13:9
Do not be carried about with different and strange doctrines, for it is good for the heart to be established with grace, not with foods, in which those who have walked in them were not helped.
James 3:5-8
Even so the tongue is a little member and boasts great things. Behold how little a fire kindles how large a forest!
2 Peter 2:18
For when they speak great swelling words of vanity, they lure through the lusts of the flesh, by unbridled lust, the ones who were escaping from those who live in error;