Kitap 8
pr.5
Consequently, if we regard the treatment of the art as a whole, it is harder to decide what we should teach than to teach it, once the decision has been made. Above all, in the two departments which I have mentioned, the necessary rules are but few in number, and if the pupil gives them ready acceptance, he will find that the path to further accomplishment presents no difficulty.
pr.6
I have, it is true, already expended much labour on this portion of my task; for I desired to make it clear that rhetoric is the science of speaking well, that it is useful, and further, that it is an art and a virtue. I wished also to show that its subject matter consists of everything on which an orator may be called to speak, and is, as a rule, to be found in three classes of oratory, demonstrative, deliberative, and forensic; that every speech is composed of matter and words, and that as regards matter we must study invention, as regards words, style, and as regards both, arrangement, all of which it is the task of memory to retain and delivery to render attractive.
