The wife of Phocion the just was always wont to maintain that her chiefest glory consisted in the warlike achievements of her husband. For my part, I am of * No one will attempt to studff this treatise on music, without some previous knowledge of the principles of Greek music, with its various moods, scales, and combinations of tetrachords. The whole subject is treated by Boeckh, De MHrls Pindari (in Vol. I. 2 of his edition of Pindar) ; and more at length in Westphal's Harmonik und Melopoie der Griechen (in Rossbach and Westphal's i/e^r«^, Vol. II. 1). An elementary explanation of the ordinary scale and of the names of the notes (which are here retained without any attempt at translation) may be of use to the reader. The most ancient scale is said to have had only four notes, corresponding to the opinion that all my glory, not only that peculiar to myself, but also what is common to all my familiar friends and relations, flows from the care and diligence of my master that taught me learning. For the most renowned performances of great commanders tend only to the preservation of some few private soldiers or the safety of a single city or nation, but make neither the soldiers nor the citizens nor the people any thing the better. But true learning, being the essence and body of felicity and the source of prudence, we find to be profitable and beneficial, not only to one house or city or nation, but to all the race of men. Therefore by how much the more the benefit and advantage of learning transcends the profits of military performances, byso much the more is it to be remembered and mentioned, as most worthy your study and esteem.