The Wealth of Nations by Part 5 Chapter 1 Page 242

coast of Africa. It was so among the ancient Celts, among the ancient Scandinavians, and, as we may learn from Homer, among the ancient Greeks in the times preceding the Trojan war. When the Greek tribes had formed themselves into little republics, it was natural that the study of those accomplishments should, for a long time, make a part of the public and common education of the people.

The masters who instructed the young people, either in music or in military exercises, do not seem to have been paid, or even appointed by the state, either in Rome or even in Athens, the Greek republic of whose laws and customs we are the best informed.

The state required that every free citizen should fit himself for defending it in war, and should, upon that account, learn his military exercises.