But utterly without knowledge Moiled, until I the rising of the stars Showed them, and when they set, Though much obscure. Moreever, number, the most excellent Of all inventions, I for them devised, And gave them writing that retaineth all, The serviceable mother of the Muse.
In: Great Books of the Western World (Volume 5), The Plays of Aeschylus, Prometheus Bound, 457