In Purgatory where Dante learns how all the purposes of the journey thus far which had progressed from the terrifying dark mountainside, through Hell and into Purgatory, are achieved in his finally passing beyond the whole purgatorial mentality itself into a place of the recovery of the original innocence of Eden. Here Dante learns from Beatrice that the burdens of sin can be finally laid down in the Earthly Paradise, and that he should now have learned, at last, how to smile. For here, she says, sin no longer has any place on the agenda of Dante’s recovery, which takes the form of a redemptive act of memory, recalling the innocence lost in Eden; and now, with the recovery of that true memory, he is now able truly to narrate the journey thus far. Now he can write the Comedy.