Beatrice must guide Dante to Paradise because of this.
What is ...because Virgil who represents logic and reason can only take Dante so far. He will need Beatrice who represents divine love to guide him to paradise.
Francesca tells Dante that she believes this about her husband.
What is ... Francesca thinks her husband belongs in Caina when he dies because he committed the sin of betrayal to kin, which she thinks is a lot worse than a carnal sin?
In Canto XXXIV, Dante's journey from spiritual confusion to spiritual clarity can be explained using these two allegorical representations.
What is ... Climbing over Satan requires hard work, just as overcoming sin is difficult. Emerging into the "shining world again" on Easter Sunday under the stars represents Dante's hope for spiritual insight.