Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Sometimes, in order to dispel the unpopularity excited by bitter criticism, the latter may be disposed of by a jest, as for example Cicero disposes of Triarius. For to the allegation that the pillars destined for the house of Scaurus were carried on waggons through the city streets he replied, [*](pro Scauro xxii. 46. )
I got my pillars from the quarries of Alba, and had them brought in panniers!Such tactics are more readily allowed against an accuser, for the duties of counsel for the defence sometimes force him to make such personal attacks.