We have shown that just people are cleverer and more capable of doing things, while unjust ones aren't even able to act together, for when we speak of a powerful achievement by unjust men acting together, what we say isn't altogether true. They would never have been able to keep their hands off each other if they were completely unjust (Grube 29).
Socrates indicates a measure of happiness based on the degree of justice an individual achieves so that the just man is happier than the unjust man. The city that is just is also happier than the city that is unjust, and the task of the Guardians is to assure that the city-state remains just and so produces the greatest happiness for the masses. The discussion of justice continues throughout The Republic as different aspects of the question are reviewed, and Socrates expresses his view of the supremacy of justice again and
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