Certainly keep your own conviction on the matter, as between yourself and God; he is a fortunate man who has no misgivings about what he allows himself to eat.
Even if anyone is detected in some trespass, brothers, you are spiritual, you must set the offender right in a spirit of gentleness; let each of you look to himself, in case he too is tempted.
But if anyone has doubts about eating and then eats, that condemns him at once; it was not faith that induced him to eat, and any action that is not based on faith is a sin.
My proud boast is the testimony of my conscience that holiness and godly sincerity, not worldly cunning but the grace of God, have marked my conduct in the outside world and in particular my relations with you.
Therefore you are inexcusable, whoever you are, if you pose as a judge, for in judging another you condemn yourself; you, the judge, do the very same things yourself.
But remember, it is not everyone who has this 'knowledge.' Some who have hitherto been accustomed to idols eat the food as food which has been really offered to an idol, and so their weaker conscience is contaminated.