As already said, Cardano’s moral philosophy rests on a series of interrelated principles which also play a key foundational role in natural philosophy: that the soul is immortal; that incorporeal lives are everlasting; and that mental awareness is the defining characteristic of the soul. Since the intellect is the only thing that humans can boast about themselves as being truly immortal, intellectual self-knowledge is regarded by Cardano as the highest good that a human being may ever attain. In