Institutio Oratoria

Quintilian

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

Thus when Antonius in the course of his defence of Manius Aquilius tore open his client's robe and revealed the honourable scars which he had acquired while facing his country's foes, he relied no longer on the power of his eloquence, but appealed directly to the eyes of the Roman people. And it is believed that they were so profoundly moved by the sight as to acquit the accused.

Again there is a speech of Cato, to mention no other records, which informs us that Servius Galba escaped condemnation solely by

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the pity which he aroused not only by producing his own young children before the assembly, but by carrying round in his arms the son of Sulpicius Gallus.

So also according to general opinion Phryne was saved not by the eloquence of Hyperides, admirable as it was, but by the sight of her exquisite body, which she further revealed by drawing aside her tunic. And if all these have power to persuade, the end of oratory, which we are discussing, cannot adequately be defined as persuasion.