Institutio Oratoria

It will, however, be the duty of the rhetorician

not merely to teach these things, but to ask frequent questions as well, and test the critical powers of his class. This will prevent his audience from becoming inattentive and will secure that his words do not fall on deaf ears. At the same time the class will be led to find out things for themselves and to use their intelligence, which is after all the chief aim of this method of training. For what else is our object in teaching, save that our pupils should not always require to be taught?