Truly to the pure all things are pure, but to those who are defiled and unbelieving nothing is pure, but both their mind and their conscience are defiled.
Nevertheless the knowledge is not in all men, but some, with conscience of the idol until now, eat as sacrificed to idols, and their weak conscience is defiled.
For if some man sees thee, who have knowledge, dining in an idol-temple, will not his conscience, being weak, be strengthened to eat things sacrificed to idols?
And he said to them, Ye understand how it is unlawful for a Jewish man to fraternize or to visit with a foreign man, and yet God demonstrated to me not to call one man profane or unclean.