Socrates Just And Unjust

We walk the fine line of the Just and Unjust during Plato's book 2 of The Republic as we listen in to Glaucon insist on achieving concrete answers with Socrates. As Glaucon plays devil's advocate he states that the nature of man is selfish and cruel as it delves into the unjust with the famous tale of the Gyge of Lydian. With such a powerful example, Socrates acknowledges that the urges of the unjust do weigh heavily on individuals, but that the reward of doing a unjust act does not compare to the harm of suffering such an act from others, and that laws in place must hold that line between the two extremes. But how would this system work? Socrates first states that one must recognize certain levels of man depending on their intelligence and