I have given my reasons for refusing to believe that magicians and fish have anything to do with one another. But now, if it please you, we will assume with Aemilianus that fish are useful for making magical charms as well as for their usual purposes. But does that prove that whoever acquires fish is ipso facto a magician? On those lines it might be urged that whoever acquires a sloop is a pirate, whoever acquires a crowbar a burglar, whoever acquires a sword an assassin. You will say that there is nothing in the world, however harmless, that may not be put to some bad use, nothing so cheerful that it may not be given a gloomy meaning. And yet we do not on that account put a bad interpretation on everything, though, for instance, you should hold that incense, cassia, myrrh, and similar other scents are purchased solely for the purpose of funerals; whereas they are also used for sacrifice and medicine.
But on the lines of your argument you must believe that............