Roma 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.

Roma 14:23

14:23 But the man who doubts is condemned if he eats, because he does not do so from faith, and whatever is not from faith is sin. ² 

[14:20]  ¹ sn Here clean refers to food being ceremonially clean.

[14:23]  ² tc Some mss insert 16:25-27 at this point. See the tc note at 16:25 for more information.