Contradiction with Romans 3:23
This verse states that "all have sinned," implying a more universal condition of sin, whereas Isaiah 43:27 specifically references the transgressions of one's ancestors.
Romans 3:23: For all have sinned, and come short of the glory of God;
Contradiction with Ecclesiastes 7:20
This verse claims there is not a just man that does good and sins not, contrasting with the implication in Isaiah 43:27 that sin is primarily associated with ancestors.
Ecclesiastes 7:20: For [there is] not a just man upon earth, that doeth good, and sinneth not.
Contradiction with 1 John 1:8
This verse indicates that claiming to be without sin is self-deception, which differs from Isaiah 43:27’s focus on ancestral sin.
1 John 1:8: If we say that we have no sin, we deceive ourselves, and the truth is not in us.