Woody Allen in The New Yorker:
There’s nothing like the discovery of an unknown work by a great thinker to set the intellectual community atwitter and cause academics to dart about like those things one sees when looking at a drop of water under a microscope. On a recent trip to Heidelberg to procure some rare nineteenth-century duelling scars, I happened upon just such a treasure. Who would have thought that “Friedrich Nietzsche’s Diet Book” existed? While its authenticity might appear to be a soupçon dicey to the niggling, most who have studied the work agree that no other Western thinker has come so close to reconciling Plato with Pritikin. Selections follow.
Fat itself is a substance or essence of a substance or mode of that essence. The big problem sets in when it accumulates on your hips. Among the pre-Socratics, it was Zeno who held that weight was an illusion and that no matter how much a man ate he would always be only half as fat as the man who never does push-ups. The quest for an ideal body obsessed the Athenians, and in a lost play by Aeschylus Clytemnestra breaks her vow never to snack between meals and tears out her eyes when she realizes she no longer fits into her bathing suit.
More here.