Answer:
Plato is the philosopher that states this.
Explanation:
Plato is an important philosopher form Athens. He stablished a theory of justice in the middle of a historic moment in Athens were justice was an issue itself, since there was a lot of chaos.
Justice was a merit, a human virtue, it was also considered a "specialization" by which a person follows his duties. Justice comes along with a person´s own duties and talents, this means every person should do as supposed, to help society.
