Institutio Oratoria

Quintilian

Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.

those who testify of their own free will and those who are summoned to attend in the public courts of whom the former are available to either party, the latter solely to the accusers, we must distinguish between the duties of the advocate who produces witnesses and the advocate who refutes them.

He who produces a voluntary witness is in a

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position to know what he is likely to say: consequently the task of examining him would seem to be rendered easier. But even here such cases make a great demand on the acumen and watchfulness of the advocate, who must see that his witness is neither timid, inconsistent nor imprudent.

For the opposing counsel have a way of making a witness lose his head or of leading him into some trap; and once a witness trips, he does more harm to his own side than he would have done good, had he retained his composure and presence of mind. The advocate must therefore put his witnesses through their paces thoroughly in private before they appear in court and must test them by a variety of questions such as may well be put to them by his opponent. The result will be that they will not contradict themselves or, if they do make some slip, can be set upon their feet again by a timely question from the advocate who produces them.

Still, even in the case of witnesses whose evidence is consistent, we must be on our guard against treachery. For such witnesses are often put up by one's opponent and, after promising to say everything that will help our case, give answers of exactly the opposite character and carry more weight by the admission of facts which tell against us than they would have done had they disproved them.