Book 8
6.12
where he cries, What was that sword of yours doing, Tubero, the sword you drew on the field of Pharsalus? Against whose body did you aim its point? What meant those arms you bore? Sometimes the effect is doubled, as in Virgil's. And with venom arm the steel. Aen. ix. 773. For both to arm the steel and to arm with venom are metaphors.
6.13
These four kinds of metaphor are further subdivided into a number of species, such as transference from rational beings to rational and from irrational to irrational and the reverse, in which the method is the same, and finally from the whole to its parts and from the parts to the whole. But I am not now teaching boys: my readers are old enough to discover the species for themselves when once they have been given the genus.
