Oh, that you had heeded My commandments! Then your peace would have been like a river, And your righteousness like the waves of the sea.
Isaiah 48:18
Surrounding context
48:17 Thus says the LORD, your Redeemer, The Holy One of Israel: "I am the LORD your God, Who teaches you to profit, Who leads you by the way you should go.
48:18 Oh, that you had heeded My commandments! Then your peace would have been like a river, And your righteousness like the waves of the sea.
48:19 Your descendants also would have been like the sand, And the offspring of your body like the grains of sand; His name would not have been cut off Nor destroyed from before Me."