King James Version (KJV) - Isaiah 48:18 >

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:

Berean Study Bible (BSB) - Isaiah 48:18 >

If only you had paid attention to My commandments, your peace would have been like a river, and your righteousness like waves of the sea.