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 consists of three parts, order, connexion and rhythm. The method of its achievement lies in addition, subtraction and alteration of words. Its practice will depend upon the nature of our theme. The care which it demands is great, but, still, less than that demanded by expression and thought. Above all it is necessary to conceal the care expended upon it so that our rhythms may seem to possess a spontaneous flow, not to have been the result of elaborate search or compulsion.
But these rules of style, while part of the student's theoretical knowledge, are not in themselves sufficient to give him oratorical power. In addition he will require that assured facility which the Greeks call ἕξις I know that many have raised the question as to whether this is best acquired by writing, reading or speaking, and it would indeed be a question calling for serious consideration, if we could rest content with any one of the three.