Romans 14:3-6

The one who knows that it is right to eat any kind of food must not reject the one who eats only vegetables. And the person who eats only vegetables must not think that the one who eats all foods is wrong, because God has accepted that person. You cannot judge another person’s servant. The master decides if the servant is doing well or not. And the Lord’s servant will do well because the Lord helps him do well. Some think that one day is more important than another, and others think that every day is the same. Let all be sure in their own mind. Those who think one day is more important than other days are doing that for the Lord. And those who eat all kinds of food are doing that for the Lord, and they give thanks to God. Others who refuse to eat some foods do that for the Lord, and they give thanks to God.