By analyzing the instinct and basic psychology, the paper draws the conclusion that the instinct of self-protecting is the rationale of justice; and justice originates from the impression of the instinct of attacking; the emotion based on love makes justice more.

Exploiting its semiological significance in self-preservation,identity refashioning and morality reconstruction of Moll in Moll Flanders will greatly facilitate our endeavors in probing the living and moral conditions of working-class at that time and the complexity of human nature.