Isaiah reveals a politically incorrect truth regarding grace shown to the wicked, and declares the necessity and purpose of judgment in glorifying and revealing the fullness of almighty God.
We're promised that the ones whose minds are stayed on Him are assured perfect peace. Reminds us of Paul in Philippians 4:6-7.
The prophet also paints a rather graphic picture regarding the failure of Israel to bring forth the purposes and testimony of God to a desperate world.