Gorgias (525)

Soc.

where every act has left its smirch upon his soul, where all is awry through falsehood and imposture, and nothing straight because of a nurture that knew not truth: or, as the result of an unbridled course of fastidiousness, insolence, and incontinence, he finds the soul full fraught with disproportion and ugliness. Beholding this he sends it away in dishonor straight to the place of custody, where on its arrival it is to endure the sufferings that are fitting. And it is fitting that every one under punishment rightly inflicted on him by another should either be made better and profit thereby, or serve as an example to the rest, that others seeing the sufferings he endures may in fear amend themselves. Those who are benefited by the punishment they get from gods and men are they who have committed remediable offences; but still it is through bitter throes of pain that they receive their benefit both here and in the nether world; for in no other way can there be riddance of iniquity. But of those who have done extreme wrong and, as a result of such crimes, have become incurable, of those are the examples made; no longer are they profited at all themselves, since they are incurable, but others are profited who behold them undergoing for their transgressions the greatest, sharpest, and most fearful sufferings evermore, actually hung up as examples there in the infernal dungeon, a spectacle and a lesson to such of the wrongdoers as arrive from time to time. Among them I say Archelaus also will be found, if what Polus tells us is true, and every other despot of his sort. And I think, moreover, that most of these examples have come from despots and kings and potentates and public administrators; for these, since they have a free hand, commit the greatest and most impious offences. Homer also testifies to this; for he has represented kings and potentates as those who are punished everlastingly in the nether world—Tantalus and Sisyphus and Tityus; but Thersites, or any other private person who was wicked, has been portrayed by none as incurable and therefore subjected to heavy punishment; no doubt because he had not a free hand, and therefore was in fact happier than those who had.