Then had thy peace been as a river. — Literally, “as the river,” i.e., the Euphrates, which for the Babylonian exiles was a natural standard of comparison. “Righteousness,” as elsewhere, includes the idea of the blessedness which is its recompense. United with “peace” it implies every element of prosperity.
Related Commentaries of Isaiah 48:18
Isaiah 48:18
18 O that thou hadst hearkened to my commandments! then had thy peace been as a river, and thy righteousness as the waves of the sea: