Institutio Oratoria

In saying this, I do not for a moment mean to suggest that we should ever omit to exercise ourselves in speaking. I merely urge that we should not grow old over one special form of exercise. We have been in a position to acquire varied knowledge, to familiarise ourselves with the principles that should guide our life, and to try our strength in the courts, while we were still attending the schools. The theory of speaking is of such a nature that it does not demand many years for its acquisition. For any one of the various branches of knowledge which I have mentioned will, as a rule, be found to be comprised in a few volumes, a fact which shows that instruction does not require an indefinite amount of time to be devoted to it. The rest depends entirely on practice, which at once develops our powers and maintains them, once developed.

Knowledge increases day by day, and yet how many books is it absolutely necessary to read in our search for its attainment, for examples of facts from the historians or of eloquence from the orators, or, again, for the opinions of the philosophers and the lawyers, that is to say, if we are content to read merely what is useful without