The purpose of the whole [the Comedy] and of this portion [the Paradiso] is to remove those who are living in this life from the state of wretchedness, and to lead them to the state of blessedness.
Know how to get close to it: mountains are often seen from far off - beautiful, interesting, full of challenges. But what happens when we try to draw closer? Roads run all around them, flowers grow between you and your objective, what seemed so clear on the map is tough in real life. So try all the paths and all the tracks until eventually one day you're standing in front of the top that you yearn to reach.
Although we are all the same in not wanting problems and wanting a peaceful life, we tend to create a lot of problems for ourselves. Encountering those problems, anger develops and overwhelms our mind, which leads to violence. A good way to counter this and to work for a more peaceful world is to develop concern for others. Then our anger, jealousy and other destructive emotions will naturally weaken and diminish.