Institutio Oratoria

Quintilian

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

And Sarmentus [*]( Sarmentus, a favourite of Augustus, cp. Hor. Sat. I. v. 56, where the story is given. ) compared Messius Cicirrus to a wild horse. The comparison may also be drawn from inanimate objects: for example Publius Blessius called a certain Julius, who was dark, lean and bent, the iron buckle. This method of raising a laugh is much in vogue to-day.

Such resemblances

v4-6 p.471
may be put to the service of wit either openly or allusively. Of the latter type is the remark of Augustus, made to a soldier who showed signs of timidity in presenting a petition,
Don't hold it out as if you were giving a penny to an elephant.