Matthew 18:34-35

34The king was very angry with the first servant. He told his men to put him in prison. They punished the servant there very much, until he could pay all his debt to the king.’

35Then Jesus finished the story and he said, ‘You must forgive your friends completely. If you do not agree to forgive them, then my Father in heaven will do like that king did. He will not forgive you.’