The nation to whom the prophet Isaiah wrote was going through the empty motions of a hollow religion. All the right words, all the right appearances, but zero results. They even fasted and prayed. I suppose we could say they looked and sounded orthodox, but they missed God's favour. They observed the external Sabbath, but they lacked the internal Shalom. Why? Don't hurry through the answer—Isaiah 58:6-12. It's worth reading aloud, perhaps more than once.
Is this not the fast which I choose, to loosen the bonds of wickedness, to undo the bands of the yoke, and to let the oppressed go free and break every yoke? Is it not to divide your bread with the hungry and bring the homeless poor into the house; when you see the naked, to cover him; and not to hide yourself from your own flesh? Then your light will break out like the dawn, and your recovery will speedily spring forth; and your righteousness will go before you; the glory of the LORD will be your rear guard. Then you will call, and the LORD will answer; you will cry, and He will say, "Here I am." If you remove the yoke from your midst, the pointing of the finger and speaking wickedness, and if you give yourself to the hungry and satisfy the desire of the afflicted, then your light will rise in darkness and your gloom will become like midday. And the LORD will continually guide you, and satisfy your desire in scorched places, and give strength to your bones; and you will be like a watered garden, and like a spring of water whose waters do not fail. Those from among you will rebuild the ancient ruins; you will raise up the age-old foundations; and you will be called the repairer of the breach, the restorer of the streets in which to dwell.
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Excerpted from Day by Day with Charles Swindoll, Copyright © 2000 by Charles R. Swindoll, Inc. (Thomas Nelson Publishers). All rights reserved worldwide. Used by permission.