Commentary Par I 109-120
Beatrice now presents the components of the universe's order: All things in nature, whether nearer to God or farther, have a natural inclination toward the good.  While their destinations differ, each responds to its own inborn impulse in finding its goal, whether fire (guided toward the lunar sphere), the sensitive soul in irrational creatures, the force of gravity in inanimate things -- and not only irrational things (animals, inanimate nature) but angels and humans as well.  Both these classes of being possess not only intellect but love; the latter, as Bosco/Reggio point out (DDP Bosco.Par.I.120) in the sense of 'capable of willing,' as in [Purg XVII 92-93] ('amore... d'animo' [love, whether natural or of the mind]).