Think Too - Of The Glory Or If Events Turn Out Differently - The Shame Which You Will Bring To Your Ancestors And To Yourselves - And - With All This In Mind - Follow Your Leaders - Paying Attention To Discipline And To Security - Giving Prompt Obedience To The Orders Which You Receive. P.131 Book 2 Chapter 11

One of the ealiest works of recorded history, this is a historical account of the Peloponnesian War (431–404 BC), which was fought between the Peloponnesian League (led by Sparta) and the Delian League (led by Athens). It was written by Thucydides, an Athenian historian who also happened to serve as an Athenian general during the war.  The History is divided into eight books.