Institutio Oratoria

In my opinion we should aim

at a happy mean. The unripe brow of boyhood should not be prematurely robbed of its ingenuous air nor should the young speaker's powers be brought before the public while yet unformed, since such a practice leads to a contempt for study, lays the foundations of impudence and induces a fault which is pernicious in all departments of life, namely, a self-confidence that is not justified by the speaker's resources.