Institutio Oratoria

The second class of proofs are wholly the work of art and consist of matters specially adapted to produce belief. They are, however, as a rule almost entirely neglected or only very lightly touched on by those who, avoiding arguments as rugged and repulsive things, confine themselves to pleasanter regions and, like those who, as poets tell, were bewitched by tasting a magic herb in the land of the Lotus-eaters or by the song of the Sirens into preferring pleasure to safety, follow the empty semblance of renown and are robbed of that victory which is the aim of eloquence.