But since there is no natural sentiment of approval for the practice of justice described in neutral language, " abstracting from the notio [ n ] of " property " " ( e . g ., restoring an object to its first possessor ), justice is not a natural virtue . ( 2 ) Justice and injustice come in bright lines and sharp boundaries, whereas our natural moral sentiments come in degrees . ( 3 ) Justice and injustice are universal and general, whereas our natural moral sentiments are partial and particular : e . g ., justice might decide in favor of a featherbrained and filthy-rich bachelor instead of a level-headed man trying to support his destitute family, setting aside as irrelevant all the circumstances that engage our affections in favor of the latter.