Then, by the gods, am I not right in saying that neither we, nor the guardians we are raising, will be educated in music and poetry until we know the different forms of moderation, courage, frankness, highmindedness, and all their kindred, and their opposites too, which are moving around everywhere, and see them in the things in which they are, both themselves and their images, and do not disregard them, whether they are written on small things or large, but accept that the knowledge of both large and small letters is part of the same craft and discipline?