Contradiction with 1 John 1:9
Isaiah 59:12 acknowledges sin and transgression, while 1 John 1:9 emphasizes the ability to have sins forgiven and cleansed.
1 John 1:9: If we confess our sins, he is faithful and just to forgive us [our] sins, and to cleanse us from all unrighteousness.
Contradiction with Romans 3:23
Isaiah 59:12 speaks from a communal perspective about sins, whereas Romans 3:23 individualizes the condition of sin, stating all have sinned.
Romans 3:23: For all have sinned, and come short of the glory of God;
Contradiction with Psalm 32:5
In Isaiah 59:12, there's an expression of awareness of sins, while Psalm 32:5 highlights the confession of sin and receiving forgiveness.
Psalm 32:5: I acknowledged my sin unto thee, and mine iniquity have I not hid. I said, I will confess my transgressions unto the LORD; and thou forgavest the iniquity of my sin. Selah.
Contradiction with Isaiah 1:18
Isaiah 59:12 identifies sin, but Isaiah 1:18 points to the possibility of those sins being made as white as snow through divine reason.
Isaiah 1:18: Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
Contradiction with Hebrews 8:12
Isaiah 59:12 presents an awareness of sin, but Hebrews 8:12 contradicts by assuring the blotting out and remembering of sins no more.
Hebrews 8:12: For I will be merciful to their unrighteousness, and their sins and their iniquities will I remember no more.
Contradiction with 2 Corinthians 5:19
Isaiah 59:12 speaks of acknowledging sin, while 2 Corinthians 5:19 discusses reconciliation and no longer counting sins against us.
2 Corinthians 5:19: To wit, that God was in Christ, reconciling the world unto himself, not imputing their trespasses unto them; and hath committed unto us the word of reconciliation. [committed...: Gr. put in us]
Contradiction with Micah 7:18
Isaiah 59:12 admits to sin, yet Micah 7:18 emphasizes God's forgiveness and delight in mercy rather than holding sins against us.
Micah 7:18: Who [is] a God like unto thee, that pardoneth iniquity, and passeth by the transgression of the remnant of his heritage? he retaineth not his anger for ever, because he delighteth [in] mercy.
Contradiction with Jeremiah 31:34
Awareness of sin is clear in Isaiah 59:12, while Jeremiah 31:34 points to a future where sins are forgiven and forgotten.
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 Hebrews 10:17
Isaiah 59:12 deals with recognition of transgressions, but Hebrews 10:17 talks about sins being remembered no more.
Hebrews 10:17: And their sins and iniquities will I remember no more. [And their: some copies have, Then he said, And their]
Contradiction with Ephesians 1:7
Isaiah 59:12 focuses on acknowledging wrongdoing, in contrast with Ephesians 1:7 which speaks of redemption and forgiveness through grace.
Ephesians 1:7: In whom we have redemption through his blood, the forgiveness of sins, according to the riches of his grace;