Shall we not perhaps be told, on the other hand, that if...

Shall we not perhaps be told, on the other hand, that if the sinner suffers an eternal punishment, it is because he does not cease to sin? — for the damned sin without ceasing. This however is no solution to the problem, which derives all its absurdity from the fact that punishment has been conceived as vindictiveness or vengeance, not as correction, and has been conceived after the fashion of barbarous peoples. And in the same way hell has been conceived as a sort of police institution, necessary in order to put fear into the world. And the worst of it is that it no longer intimidates, and therefore will have to be shut up.

Miguel de Unamuno

The Tragic Sense of Life (1913) - X : Religion, the Mythology of the Beyond and the Apocatastasis