On the Life of Moses (I; 20-22)
by Philo Judeaus
"(20) Therefore the child [Moses] being now thought worthy of a royal education and a royal attendance...himself exhibited a modest and dignified deportment in all his words and gestures.... (21) And immediately he had all kinds of masters, one after another, some coming of their own accord from the neighboring countries and the different districts of Egypt, and some being even procured from Greece by the temptation of large presents. But in a short time he surpassed all their knowledge, anticipating all their lessons by the excellent natural endowments of his own genius; so that everything in his case appeared to be a recollecting rather than a learning, while he himself also, without any teacher, comprehended by his instinctive genius many difficult subjects; (22) for great abilities cut out for themselves many new roads to knowledge... (23) Accordingly he speedily learnt arithmetic, and geometry, and the whole science of rhythm and harmony and metre, and the whole of music, by means of the use of musical instruments, and by lectures on the different arts, and by explanations of each topic; and lessons on these subjects were given him by Egyptian philosophers, who also taught him the philosophy which is contained in symbols, which they exhibit in those sacred characters of hieroglyphics, as they are called... (24) And this knowledge he derived also from the Egyptians, who study mathematics above all things, and he learnt with great accuracy the state of that art among both the Chaldaeans and Egyptians..."