Satanís punishment of Hell is a just consequence of his choices and actions.  He chose to be guided by selfish thoughts of bettering oneself for means of controlling and being higher than others.  His remorse is tangible, yet he does nothing to rid himself of his pain.  He remembers all the glory he once had in Heaven, yet does not venture to go back due to the fact he knows that his pride would only cause him to return to the state he is in now.  Once one leads a life of evil and gains his own sense of power, the choice of going back to a place of submission is not a choice one would consider lightly.   

Satan seems to feel his despondent life now is "just."  He disobeyed God and now he is subject to eternal misery.  His warped sense of this word is just one implication that Satan is not entirely in a stable state of mind.  Earlier in the poem he has a moment where goodness seemed to return to him for he missed being in the presence of Heaven.  How can one go from missing Heaven and all the glory once present to living in a state of Hell and feeling that it is a "just" punishment?

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