Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Individual cases may however involve special considerations in this connexion. For if the point at issue is whether torture should be applied, it will make all the difference who it is who demands or offers it, who it is that is to be subjected to torture, against whom the evidence thus sought will tell, and what is the motive for the demand. If on the other hand torture has already been applied, it will make all the difference who was in charge of the proceedings, who was the victim and what the nature of the torture, whether the confession was credible or consistent, whether the witness stuck to his first statement or changed it under the influence of pain, and whether he made it at the beginning of the torture or only after it had continued some time. The