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.

Jewish Publication Society of America Version (JPS1917) - Isaiah 48:18 >

Oh that thou wouldest hearken to My commandments! then would thy peace be as a river, and thy righteousness as the waves of the sea;