Matthew 15:11
Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.
Acts 10:14-15
But Peter said, Not so, Lord; for I have never eaten anything common and unclean.
Mark 7:15
Nothing that entereth into a man from without can defile him; but the things that come out of him are what defile a man.
Matthew 12:34-37
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
Matthew 15:18-20
But the things which proceed from the mouth come out of the heart; and these defile a man.
Luke 11:38-41
And the Pharisee, seeing it, wondered that he did not bathe before dinner.
Acts 11:8-9
But I said, Not so, Lord; for nothing common or unclean ever entered my mouth.
Romans 3:13-14
Their throat is an open sepulchre; with their tongues they have practised deceit. The poison of asps is under their lips.
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is unclean in itself; but to him that accounteth anything to be unclean, to him it is unclean.
Romans 14:17
For the kingdom of God is not food and drink, but righteousness, and peace, and joy in the Holy Spirit;
Romans 14:20
Do not for the sake of food undo the work of God. All things indeed are clean; but that which is pure is evil for that man who eateth so as to be an occasion of sin.
1 Timothy 4:4-5
For every creature of God is good, and nothing to be refused, if it be received with thanksgiving;
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving nothing is pure, but both their mind and conscience are defiled.
Hebrews 13:9
Be not carried aside with various and strange teachings; for it is good that the heart be established with grace, not with meats, in which those who walked were not profited.
James 3:5-8
So also the tongue is a little member, and boasteth great things. Behold, how great a forest a little fire kindleth!
2 Peter 2:18
For speaking great swelling words of vanity, they allure in the lusts of the flesh, by dissolute ways, such as were in some measure escaping from those who live in error;