Contradiction with Matthew 18:35
This verse suggests that the same level of mercy shown in Matthew 18:29 should be extended to others, contradicting the plea for extended patience.
Matthew 18:35: So likewise shall my heavenly Father do also unto you, if ye from your hearts forgive not every one his brother their trespasses.
Contradiction with Matthew 5:7
Advocates for showing mercy to receive mercy instead of asking for patience, contrasting with the debtor's plea for more time.
Matthew 5:7: Blessed [are] the merciful: for they shall obtain mercy.
Contradiction with Luke 6:31
Encourages doing unto others as you would have them do unto you, implying a contradiction if forgiveness and patience aren't reciprocated as in Matthew 18:29.
Luke 6:31: And as ye would that men should do to you, do ye also to them likewise.
Contradiction with Proverbs 11:21
Implies punishment for the wicked, contrasting the plea for patience regardless of wrongdoings as seen in Matthew 18:29.
Proverbs 11:21: [Though] hand [join] in hand, the wicked shall not be unpunished: but the seed of the righteous shall be delivered.