A diagram of the comparisons Socrates has made between the virtues in the state and in the individual may help.

-                                                                           
---------------------------------------------------------      
    Virtue  State        Individual     Qualities           
            Function     Function                               
---------------------------------------------------------       
  Wisdom    Rulers       Reason        Knowledge of the       
                                       good for all           
-                                                                           
  Courage   Auxiliaries  Emotions/     Conviction on          
                             Spirit    how to act             
-                                                                           
 Moderation  Producers   Desires/      Obedience to the       
                           Sensation/  wise and               
                           Appetite    high-spirited          
---------------------------------------------------------      
-                                                                           

Justice is the harmonious unity of all three elements under each of the four headings.

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