. (And therefore Albumasar says, that the ignition of these vapors signifies death of kings, and change of empires, being effects of the dominion of Mars. And accordingly Seneca says that at the death of the Emperor Augustus a ball of fire was seen in the heavens. And in Florence, at the beginning of its downfall, a great quantity of these vapors, which follow Mars, were seen in the air in the form of a cross.) And these two properties are in Music, which is wholly relative, as may be seen in harmonized words, and in songs, in which the more beautiful the relation, the sweeter the harmony, since such is chiefly its intent. Also Music attracts to itself the spirits of men, which are principally as it were vapors of the heart, so that they almost cease from any operation; so entire is the soul when it listens, and the power of all as it were runs to the sensible spirit that hears the sounds.”