Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
It is not often that the lips or nostrils can be becomingly employed to express our feelings, although they are often used to indicate derision, contempt or loathing. For to
wrinkle the nostrils(as Horace says), [*](Ep. I. v. 23. ) or blow them out, or twitch them, or fret them with our finger, or snort through them with a sudden expulsion of the breath, or stretch them wide or push them up with the flat of the hand are all indecorous, since it is not without reason that censure is passed even on blowing the nose too frequently.
It is also an ugly habit to protrude the lips, open them with a sudden smack, [*]( It is hard to distinguish between scindere and didurere. I have adopted a suggestion of Spalding's. ) compress them, draw them apart and bare the teeth, or twist them awry to one side till they almost reach the ear, or to curl them in scorn, or let them droop, or allow the voice to escape only on one side. It is
The neck must be straight, not stiff or bent backward. As regards the throat, contraction and stretching are equally unbecoming, though in different ways. If it be stretched, it causes strain as well, and weakens and fatigues the voice, while if the chin be pressed down into the chest it makes the voice less distinct and coarsens it, owing to the pressure on the windpipe.
It is, as a rule, unbecoming to raise or contract the shoulders. For it shortens the neck and produces a mean and servile gesture, which is even suggestive of dishonesty when men assume an attitude of flattery, admiration or fear.