The ones I'm talking about all have to do with the Peloponnesian War which is one of the reasons why we know a little bit about it, because Thucydides tells us the details of it.

我所说的事都与伯罗奔尼萨战争有关,这也是为何我们对它的了解要多一些,因为修昔底德告诉了我们一些细节

耶鲁公开课 - 古希腊历史简介课程节选