Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
The orator, who speaks methodically, will above all take the actual sequence of the various points as his guide, and it is for this reason that even but moderately trained speakers find it easiest to keep the natural order in the statement of facts. Secondly, the orator must know what to look for in each portion of his case: he must not beat about the bush or allow himself to be thrown off the track by thoughts which suggest themselves from irrelevant quarters, or produce a speech which is a confused mass of incongruities,
Finally, he must confine himself to certain definite bounds, and for this division is absolutely necessary. When to the best of his ability he has dealt fully with all the points which he has advanced, he will know that he has reached his goal. The precepts just given are dependent on theory. Those to which I now come depend on individual study. We must acquire a store of the best words and phrases on lines that I have already laid down, while our style must be formed by continuous and conscientious practice in writing, so that even our improvisations may reproduce the tone of our writing, and after writing much, we must give ourselves frequent practice in speaking.
For facility is mainly the result of habit and exercise and, if it be lost only for a brief time, the result will be not merely that we fall short of the requisite rapidity, but that our lips will become clogged and slow to open. For although we need to possess a certain natural nimbleness of mind to enable us, while we are saying what the instant demands, to build up what is to follow and to secure that there will always be some thought formed and conceived in advance ready to serve our voice, none the less,