Contradiction with James 2:24
Luke 7:43 highlights forgiveness and understanding, while James 2:24 emphasizes justification by works.
James 2:24: Ye see then how that by works a man is justified, and not by faith only.
Contradiction with Proverbs 11:21
Luke 7:43 suggests forgiveness, but Proverbs 11:21 implies that the wicked will not be unpunished.
Proverbs 11:21: [Though] hand [join] in hand, the wicked shall not be unpunished: but the seed of the righteous shall be delivered.
Contradiction with Galatians 6:7
Luke 7:43 conveys mercy, whereas Galatians 6:7 stresses reaping what one sows.
Galatians 6:7: Be not deceived; God is not mocked: for whatsoever a man soweth, that shall he also reap.
Contradiction with Matthew 6:15
Luke 7:43 deals with forgiveness for understanding, but Matthew 6:15 states forgiveness is conditional.
Matthew 6:15: But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.