I, even I, am he that blots out your transgressions for my own sake, and will not remember your sins.
As in olden times jewellers were wont to set their most precious gems in casings of a very inferior nature — and that wisely, in order that the intrinsic lustre of the jewel might shine forth more brilliant from the contrast — so doth the Word of God delight to place the long-suffering mercy of our God in the settings of man's iniquity and ingratitude, in order that the most lustrous jewel in God's all-radiant diadem — even mercy — might glitter the more brilliantly from its immediate contact with the black foil spots of man's sin.
(F. F. Goold, M. A.)
Parallel VersesKJV: I, even I, am he that blotteth out thy transgressions for mine own sake, and will not remember thy sins.