Mourning: Walking Barefoot
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2 Samuel 15:30
But David continued up the Mount of Olives, weeping as he went up. His head was covered, and he was walking barefoot. And all the people with him covered their heads and went up, weeping as they went.
Isaiah 20:2
the LORD had already spoken through Isaiah son of Amoz, saying, “Go, remove the sackcloth from your waist and the sandals from your feet.” And Isaiah did so, walking around naked and barefoot.