History is philosophy teaching from examples. - Thucydides

prevent your taking the wrong course on matters of great importance by yielding too readily to the persuasions of your allies.

To come to this war: despite the known disposition of the actors in a struggle to overrate its importance, and when it is over to return to their admiration of earlier events, yet an examination of the facts will show that it was much greater than the wars which preceded it.

It was indeed a strange alteration in the ordinary run of things for Athenians to be fighting a battle on land – and Spartan land too – against Spartans attacking from the sea, and for Spartans to be trying to make a naval landing on their own shores, now hostile to them, against Athenian opposition. For at this time Sparta chiefly prided herself on being a land power with an unrivalled army and Athens on being a sea power with the greatest navy in existence.