Seeing a cruel and unjust person behave justly and fairly signifies security of property and life. If a person persistent in sin sees himself perform just deeds, it signifies repentance and deliverance from sin.
Seeing the justice of a tyrannical sultan signifies that the subjects will be freed from sorrow and grief and attain joy.
Seeing someone wrong the dreamer signifies that the dreamer will attain joy and delight.