Now it seems that after this, Archytas visited Dionysius (for before my departure I had established relations of friendship and hospitality between Archytas and his Tarentine friends and Dionysius), and that there were certain other persons who had learned something from Dion, and others who had learned from them; and being full of these half understood doctrines, they were apparently trying to converse with Dionysius about them as if he had mastered all my thought.