I would rather have no purpose (originating in myself or in someone else) than have the outside-given purpose of suffering. If they cared about anything when they got out of hell, that would be their purpose though.
But I would expect them all to be insane from centuries of torture.
That was a bit of misplaced sarcasm, I assume.
From Hacker News.
This made me laugh, but from the look of it, I'd say there is little work to do to make it serious. Personally, I'd try to shorten it so it is punchier and more memorable.