Matthew 15:11
not that which goeth into the mouth defileth the man; but that which cometh out of the mouth, this polluteth the man.
Acts 10:14-15
But Peter said, By no means, Lord; for I have never eaten any thing polluted or unclean.
Mark 7:15
Hear me all of you, and understand, There is nothing without a man, which entring into him can defile him: but the things proceeding from him are those which defile a man.
Matthew 12:34-37
O race of vipers, how can ye speak good things, who are yourselves so wicked? for out of the abundance of the heart the mouth speaketh.
Matthew 15:18-20
But the things, which proceed out of the mouth, come from the heart, and those defile a man.
Luke 11:38-41
And when the pharisee saw it he wondered that He did not wash first, before dinner.
Acts 11:8-9
But I said, By no means, Lord: for nothing polluted or unclean hath ever entered into my mouth.
Romans 3:13-14
Their throat is an open sepulchre: with their tongues they have used deceit; the poison of asps is under their lips:
Romans 14:14
I know and have been taught by the Lord Jesus, that nothing is unclean of itself: only to him that thinketh any thing unclean, to him it is unclean.
Romans 14:17
but in righteousness and peace, and joy in the holy Ghost: for he,
Romans 14:20
Do not for the sake of meat destroy thy brother who is the work of God: all things indeed are pure; but to the man that eateth with offence it is evil.
1 Timothy 4:4-5
For every creature of God is good, and nothing to be rejected, if it be received with thanksgiving:
Titus 1:15
To the pure indeed all things are pure; but to the polluted and unbelieving nothing is pure; even their mind and conscience is polluted.
Hebrews 13:9
be not then carried about by various and strange doctrines; for it is good that the heart be established by grace, and not in meats, in which those that have been most exact, have not profited by them.
James 3:5-8
So the tongue is a small part of the body, yet boasteth great things. Behold how much fuel a little fire kindleth!
2 Peter 2:18
For when they speak swelling words of vanity, they ensnare in the lusts of the flesh, through their lasciviousness, those who had indeed withdrawn from such as deal in error;