ישעיהו מג:כה פירוש: רש״י ואבן עזרא

I, yea I I am He Who erased them from time immemorial [lit. from then], and I erase them even now.

For my sake, that my name be not profaned, I shall blot out thy transgressions.

for My sake Neither in your merit nor in the merit of your forefathers.