Contradiction with Matthew 7:1
"Judge not, that ye be not judged." contradicts with 2 Corinthians 13:3's context of seeking proof of Christ speaking through Paul, suggesting judgment on the validity of the apostleship.
Matthew 7:1: Judge not, that ye be not judged.
Contradiction with James 2:24
"Ye see then how that by works a man is justified, and not by faith only." contradicts the implied emphasis in 2 Corinthians 13:3 on proving authority through spiritual power rather than visible works.
James 2:24: Ye see then how that by works a man is justified, and not by faith only.
Contradiction with Galatians 1:10
"For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ." suggests contradiction in seeking approval through proof as 2 Corinthians 13:3 seems to imply.
Galatians 1:10: For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.
Contradiction with John 12:37
"But though he had done so many miracles before them, yet they believed not on him." contrasts the need for proof in 2 Corinthians 13:3 versus the ineffectiveness of miraculous proof for belief.
John 12:37: But though he had done so many miracles before them, yet they believed not on him: