Kitap 3
5.52
All these rôles may be regarded as forming part of impersonation, which I have included under delibertive themes, from which it differs merely in that it involves the assumption of a role. It is sometimes introduced even with controversial themes, which are drawn from history and involve the appearance of definite historical characters as pleaders.
5.53
I am aware also that historical and poetical themes are often set for the sake of practice, such as Priam's speech to Achilles or Sulla's address to the people on his resignation of the dictatorship. But these will fall under one or other of the three classes into which I have divided causes. For entreaty, statement, and argument, with other themes already mentioned, are all of frequent occurrence in forensic, deliberative or demonstrative subjects, according as circumstances demand,
5.54
and we often introduce fictitious speeches of historical persons, whom we select ourselves. Cicero for instance in the pro Caelio xiv. sqq makes both Appius Caecus and her brother Clodius address Clodia, the former rebuking her for her immorality, the latter exhorting her thereto.
