Institutio Oratoria

For as regards the length of the exordium, it should propound rather than expound, and should not describe how each thing occurred, but simply indicate the points on which the orator proposes to speak. I do not think a better example of this can be found than the exordium to the pro Cluentio of Cicero.

I have noted, judges, that the speech for the prosecution was divided into two parts: of these, the first seemed to rest and in the main to rely on the odium, now inveterate, arising from the trial before Junius, while the other appeared to touch, merely as a matter of form, and with a certain timidity and diffidence, on the question of the charge of poisoning, though it is to try this point that the present court has been constituted in accordance with the law.

Nor shall any authority, however great, induce me to abandon my opinion that it is always desirable to render the judge attentive and ready to receive