[36] Have you then first exercised yourselves in, and directed your attention to, the public and the private business of life? and having become skilful politicians and experienced economists by means of the kindred virtues of economical and political science, have you, in your exceeding abundance of these things, prepared for your migration to another and a better kind of life? For it is proper to go through a practical life before beginning the theoretical one: as being a sort of rehearsal of the more perfect contest and exhibition. In this way it is possible to escape from the charge of hesitation and indolence.