Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
For the precepts that are enjoined upon us are not so complex or so numerous that they may be acquired by little more than a few years' study. It is repugnance to learn that makes such labour long. For if you will only believe it, you will quickly learn the principles that shall lead you to a life of virtue and happiness. For nature brought us into the world that we might attain to all excellence of mind, and so easy is it for those to learn who seek for better things, that he who directs his gaze aright will rather marvel that the bad should be so many.