Moreover, by drawing things towards one another in an exterior and visible movement, it also gives rise to a hidden interior movement a displacement of qualities that take over from one another in a series of relays: fire, because it is warm and light, rises up into the air, towards which its ﬂames untiringly strive; but in doing so it loses its dryness (which made it akin to the earth) and so acquires humidity (which links it to water and air); it disappears therefore into light vapour, into blue smoke, into clouds: