Contradiction with Romans 3:23
This verse states that all have sinned, which contrasts with 1 Thessalonians 2:10, where Paul claims their behavior was holy and blameless.
Romans 3:23: For all have sinned, and come short of the glory of God;
Contradiction with Romans 7:15
This verse discusses Paul's struggle with doing what he does not want to do, which contradicts his claim of holy behavior in 1 Thessalonians 2:10.
Romans 7:15: For that which I do I allow not: for what I would, that do I not; but what I hate, that do I. [allow: Gr. know]
Contradiction with 1 John 1:8
It mentions that claiming sinlessness is self-deception, contradicting the claim of blamelessness in 1 Thessalonians 2:10.
1 John 1:8: If we say that we have no sin, we deceive ourselves, and the truth is not in us.
Contradiction with Matthew 7:1
Advises not to judge others, which may challenge the self-assessment in 1 Thessalonians 2:10 of being blameless among others.
Matthew 7:1: Judge not, that ye be not judged.
Contradiction with Mark 10:18
Jesus states that no one is good except God, contradicting any human claim of blamelessness like in 1 Thessalonians 2:10.
Mark 10:18: And Jesus said unto him, Why callest thou me good? [there is] none good but one, [that is], God.