What Does Nietzsche Owe Thucydides?

In the concluding section of Twilight of the Idols, entitled "What I Owe the Ancients," Nietzsche tells us that his debt to the Greeks has little to do with Greek philosophy. Plato is portrayed as simply a step toward Christian moralism, and Nietzsche states more generally that "the philosophers are the decadents of Greek culture" (TI "Ancients" 3).1 In contrast, he remarks that "my recreation, my preference, my cure from all Platonism has always been Thucydides" (TI "Ancients" 2). This esteem for Thucydides is found throughout Nietzsche's published works and notes, without the counterbalance of even a single critical remark.2But what exactly does Nietzsche owe Thucydides? Some elements of that debt are clear ..