As Dante moves toward God in Paradise, incredible things happen. I have always felt (and still feel) least at home in these later cantos of Paradise. As people move toward God, they become more beautiful because they are Images mirroring the reality of His presence. This place, however, is not a comfortable place for sinful men. At one point, Beatrice refuses to smile at Dante because her smile to blow him to bits. Glory and beauty can undo broken men. Eventually, Dante is able to bear it. Still, when the sins of the present Popes are mentioned the saints in Heaven explore in rage. Dante curls into a ball when this happens.
These cantos echo with the feel of Isaiah 6.