Contradiction with 1 John 1:8
This verse states that if we say we have no sin, we deceive ourselves, and the truth is not in us, acknowledging universal sinfulness, which aligns with Proverbs 20:9 rather than contradicts it.
1 John 1:8: If we say that we have no sin, we deceive ourselves, and the truth is not in us.
Contradiction with Romans 3:23
This verse acknowledges that all have sinned and fall short of God's glory, which corroborates rather than contradicts the message of pervasive sinfulness in Proverbs 20:9.
Romans 3:23: For all have sinned, and come short of the glory of God;
Paradox #1
The moral inconsistency might be that the verse acknowledges human imperfection, but it might seem in tension with other texts that hold people to a high standard of purity and righteousness. It could feel conflicting to some because it suggests nobody can be truly pure, while other teachings encourage striving for purity.