Love, faith, and hope are the elements the soul needs to make its journey home. Love of truth motivates the soul to want to set out on the journey; faith sustains and supports it as it proceeds; and hope gives it the optimism that things will unfold in the right way.
Next I saw the most lucid air, in which I heard in a marvelous way many kinds of musicians praising the joys of the heavenly citizens. ... And their sound was like the voice of a multitude, making music in harmony.