Luke 11:41
"Better cleanse what is within, and nothing will be unclean for you.
Acts 10:15-16
And again a second time came to him a voice, saying, "What God has cleansed you must not call common."
Acts 10:28
To them he said: "You know, yourselves, that it is illegal for a Jew to associate with or to visit one of another nation; but God has taught me that I should not call any man common or unclean. For this reason, when sent for, I came without demur.
Romans 14:14
I know and am persuaded in the Lord Jesus that nothing is in itself unclean; but any food is "unclean" for one who considers it "unclean."
Romans 14:20
Do not, for the sake of food, be tearing down God's work. All food indeed is ceremonially clean, but a man is in the wrong if his food proves a stumbling-block.
2 Corinthians 6:17
Therefore, Come out from among them and separate yourselves, saith the Lord, touch not what is unclean;
Titus 1:15
All things are pure to the pure; but to the contaminated and the faithless nothing is pure, nay, their very minds and consciences are tainted.