Substance is thought to belong most obviously to bodies; and so we say that not only animals and plants and their parts are substances, but also natural bodies such as fire and water and earth and everything of the sort, and all things that are either parts of these or composed of these (either of parts or of the whole bodies), e.g. the physical universe and its parts, stars and moon and sun.
Badirudi substantzia gorputzetan ematen dela nabarien (horregatik esaten dugu animaliak, landareak eta hauen zatiak substantziak 10) direla, baita gorputz naturalak ere; adibidez, sua, ura, lurra eta honelakoak, eta hauen zatiak edo hauetaz osaturik diren horiek-bakar batzuez nahiz horietaz guztietaz osaturikoak-; adibidez, ortzia eta bere zatiak: izarrak, ilargia eta eguzkia).