Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
If they can only rise to the height of this conception, they will find it easier to enter on this portion of their task, and will cease to regard the road as impassable or even hard. For the first and greatest of' the aims we set before us, namely that we shall be good
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men, depends for its achievement mainly on the will to succeed: and he that truly and sincerely forms such resolve, will easily acquire those forms of knowledge that teach the way to virtue.