Book II, 358e-359b
Glaucon's social-contract account: justice as a compromise between doing and suffering injustice.
Read in Books4Free →Ring of Gyges and the Challenge to Justice
From The Republic by Plato
Glaucon revives Thrasymachus's challenge by arguing that justice is practiced only out of compulsion, illustrated by the thought experiment of an invisibility ring.
Book II, 359d-360d
The Ring of Gyges thought experiment showing that no one would remain just if they could be invisible.
Read in Books4Free →Book II, 361a-362c
Glaucon's contrast of the perfectly unjust man with the perfectly just man who suffers.
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