Contradiction with Jeremiah 31:34
This verse indicates forgiveness of sins, contrasting Isaiah 65:6 which mentions God recording iniquities.
Jeremiah 31:34: And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more.
Contradiction with Psalm 103:12
Speaks of sins being removed as far as the east is from the west, contradicting the stored sins in Isaiah 65:6.
Psalm 103:12: As far as the east is from the west, [so] far hath he removed our transgressions from us.
Contradiction with Micah 7:19
Highlights God casting sins into the sea, in opposition to the notion of sins being kept in Isaiah 65:6.
Micah 7:19: He will turn again, he will have compassion upon us; he will subdue our iniquities; and thou wilt cast all their sins into the depths of the sea.
Contradiction with Hebrews 8:12
God promises mercy and no remembrance of sins, conflicting with the recorded iniquities in Isaiah 65:6.
Hebrews 8:12: For I will be merciful to their unrighteousness, and their sins and their iniquities will I remember no more.