The moth shall eat them up; your reproachers shall be easily destroyed, and so God will revenge your cause upon them, and deliver you from their reproaches. Like wool; like a woollen garment, which is sooner corrupted by moths or such creatures than linen.
Related Commentaries of Isaiah 51:8
Isaiah 51:8
8 For the moth shall eat them up like a garment, and the worm shall eat them like wool: but my righteousness shall be for ever, and my salvation from generation to generation.