"Unlawful arts and indeed frequently arts themselves, are persecuted by Minos, that is, by laws, which prohibit and forbid their use among the people; but notwithstanding this, they are hid, concealed, retained, and everywhere find reception and skulking-places; a thing well observed by Tacitus of the astrologers and fortune-tellers of his time. “These,” says he, “are a kind of men that will always be prohibited, and yet will always be retained in our city.”"