Now those instructed among the Egyptians learned first of all that style of the Egyptian letters which is called Epistolographic; and second, the Hieratic, which the sacred scribes practice; and finally, and last of all, the Hieroglyphic, of which one kind which is by the first elements is literal (Kyriologic), and the other Symbolic. Of the Symbolic, one kind speaks literally by imitation, and another writes as it were figuratively; and another is quite allegorical, using certain enigmas.