7:7What shall we say then? is the law sin? Far be the thought. But I had not known sin, unless by law: for I had not had conscience also of lust unless the law had said, Thou shalt not lust;

14:14I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.