IN the second book the subject of inquiry was the nature and the end of rhetoric, and I proved to the best of my ability that it was an art, that it was useful, that it was a virtue and that its material was all and every subject that might come up for treatment. I shall now discuss its origin, its component parts, and the method to be adopted in handling and forming our conception of each. For most authors of text-books have stopped short of this, indeed Apollodorus confines himself solely to forensic oratory.
I know that those who asked me to write this work were specially interested in that portion on which I am now entering, and which, owing to the necessity of examining a great diversity of opinions, at once forms by far the most difficult section of this work, and also, I fear, may be the least attractive to my readers, since it necessitates a dry exposition of rules.
In other portions of this work I have attempted to introduce a certain
amount of ornateness, not, I may say, to advertise my style (if I had
wished to do that, I could have chosen a more fertile theme), but in
order that I might thus do something to lure our young men to make
themselves acquainted with those principles which I regarded as
necessary to the study of rhetoric: for I hoped that by giving them
something which was not unpleasant to read I might induce a greater
readiness to learn those rules which I feared