Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
And, what is more, the orator will always make good his professions in this respect, for he will always speak well. On the other hand this criticism may perhaps hold good as against those who think persuasion the end of oratory. But our orator and his art, as we define it, are independent of results. The speaker aims at victory, it is true, but if he speaks well, he has lived up to the ideals of his art, even if he is defeated.
Similarly a pilot will desire
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to bring his ship safe to harbour; but if he is swept out of his course by a storm, he will not for that reason cease to be a pilot, but will say in the wellknown words of the old poet [*]( Ennius, Ann. 483 (Vahlen). ) Still let me steer straight on!