Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, editor. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
non unus color prooemii, narrationis, argumentorum, egressionis, perorationis servabitur. dicet idem graviter, severe, acriter, vehementer, concitate, copiose, amare, comiter, remisse, subtiliter, blande, leniter, dulciter, breviter, urbane, non ubique similis, sed ubique par sibi.