CANTO III. The Heaven of the Moon.--Spirits whose vows had been broken.--Piccarda Donati.--The Empress Constance.
CANTO IV. Doubts of Dante, respecting the justice of Heaven and the abode of the blessed, solved by Beatrice.--Question of Dante as to the possibility of reparation for broken vows.
CANTO V. The sanctity of vows, and the seriousness with which they are to be made or changed.--Ascent to the Heaven of Mercury.--The shade of Justinian.
CANTO VI. Justinian tells of his own life.--The story of the Roman Eagle.--Spirits in the planet Mercury.--Romeo.
CANTO VII. Discourse of Beatrice.--The Fall of Man.--The scheme of his Redemption.
CANTO VIII. Ascent to the Heaven of Venus.--Spirits of Lovers, Source of the order and the varieties in mortal things.