Romans 14:14
14:14 I know and am convinced in the Lord Jesus that there is nothing unclean in itself; still, it is unclean to the one who considers it unclean.
Romans 14:20
14:20 Do not destroy the work of God for the sake of food. For although all things are clean, 1 it is wrong to cause anyone to stumble by what you eat.
1 sn Here clean refers to food being ceremonially clean.