Evil can be undone, but it cannot ‘develop’ into good. Time does not heal it.
If we insist on keeping Hell (or even Earth) we shall not see Heaven: if we accept Heaven we shall not be able to retain even the smallest and most intimate souvenirs of Hell. I believe, to be sure, that any man who reaches Heaven will find that what he abandoned (even in plucking out his right eye) has not been lost: that the kernel of what he was really seeking even in his most depraved wishes will be there, beyond expectation, waiting for him in ‘the High Countries’.
I think earth, if chosen instead of Heaven, will turn out to have been, all along, only a region in Hell: and earth, if put second to Heaven, to have been from the beginning a part of Heaven itself.
It’s scarcity that enables a society to exist.