There is nothing outside the man which, going into him, is able to make him unclean: but the things which come out of the man are those which make the man unclean.
And he said to them, You yourselves have knowledge that it is against the law for a man who is a Jew to be in the company of one who is of another nation; but God has made it clear to me that no man may be named common or unclean:
To the clean in heart all things are clean: but to those who are unclean and without faith nothing is clean; they become unclean in mind and in thought.
Do not be turned away by different strange teachings, because it is good for your hearts to be made strong by grace, and not by meats, which were of no profit to those who took so much trouble over them.