You desire to LIVE "according to Nature"? Oh, you noble Stoics, what fraud of words! Imagine to yourselves a being like Nature, boundlessly extravagant, boundlessly indifferent, without purpose or consideration, without pity or justice, at once fruitful and barren and uncertain: imagine to yourselves INDIFFERENCE as a power--how COULD you live in accordance with such indifference? To live--is not that just endeavorin…
Nietzche fails to provide any insight here for two reasons: 1. It's tempting to read this as Nietzche disproving the naturalist fallacy, but if you read this carefully, that's not what Nietzche says. On the contrary, Nietzche is using the naturalist fallacy to claim stoics are wrong because stoicism isn't natural. This completely misses the fact that "natural" does not imply "right" and "unnatural" does not imply "wr…
For Nietzche it does. And one could argue (well Nietzche sure did, elsewhere) that it's also universally true.
Besides even without that, his showing that what's natural could be seen in another different way is enough to deprive the stoics of their claim to naturalness. It is not naturalness the preach, he points, it's "how nature should be according to stoics".
But the even more important insight is this: "And granted that your imperative, "living according to Nature," means actually the same as "living according to life"--how could you do DIFFERENTLY? Why should you make a principle out of what you yourselves are, and must be?"