Contradiction with Romans 3:28
Emphasizes that justification is by faith without deeds, which contrasts with Isaiah 1:16's call for action to wash and make oneself clean.
Romans 3:28: Therefore we conclude that a man is justified by faith without the deeds of the law.
Contradiction with Titus 3:5
States that salvation is not by righteous deeds but by God's mercy, which contradicts the directive in Isaiah 1:16 to cleanse oneself through action.
Titus 3:5: Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost;
Contradiction with Ephesians 2:8-9
Asserts that salvation is by grace through faith and not by works, differing from Isaiah 1:16's focus on personal action for cleansing.
Ephesians 2:8-9: For by grace are ye saved through faith; and that not of yourselves: [it is] the gift of God:
Contradiction with Jeremiah 2:22
Suggests that efforts to cleanse oneself are ineffective, opposing Isaiah 1:16's encouragement to wash oneself clean.
Jeremiah 2:22: For though thou wash thee with nitre, and take thee much soap, [yet] thine iniquity is marked before me, saith the Lord GOD.
Paradox #1
The contradiction or inconsistency could arise from the idea that while this verse calls for purification and cessation of evil deeds, some might find it conflicting if people who seek to follow this guidance still engage in morally questionable actions. Essentially, it raises the issue of whether external acts of cleansing or repentance truly reflect an internal moral change if one's behavior remains inconsistent with such ideals.