... of letters should say, Tell me what to write when any name is proposed to me. For if I should tell him to write Dion, and then another should come and propose to him not the name of Dion but that of Theon , what will be done? what will he write? But if you have practised writing, you are also prepared to write (or to do) any thing that is required. If you are not, what can I now suggest? For if circum...