Patristic A.D. 420
“The "work of God" means "a human being, created by God." Paul repeats what he said above [in verse 14], lest it appear that he is condemning creation. What is clean in itself becomes wrong if someone else takes offense on his account.”
Historical Christian Faith commentaries database, on Rom 14:20 (PELAGIUS'S COMMENTARY ON ROMANS)
PD · Historical Christian Faith commentaries database ↗