Twilight of the Idols


Friedrich Nietzsche

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Luigi Cornaro Character Analysis

(1467–1566) Luigi Cornaro was an Italian nobleman and writer who, after surviving a near-fatal illness, wrote a book called Discorsi sulla vita sobria, or “Discourses On the Temperate Life” (1588). In the book, Cornaro argues that a restrictive diet can promote longevity. Nietzsche derides Cornaro, accusing him of mistaking the consequence for the cause (Cornaro’s slow metabolism required him to eat a spring diet and allowed him to live longer—it wasn’t the diet itself.) Nietzsche identifies mistaking consequence for cause as one of the four great errors of philosophy.

Luigi Cornaro Quotes in Twilight of the Idols

The Twilight of the Idols quotes below are all either spoken by Luigi Cornaro or refer to Luigi Cornaro. For each quote, you can also see the other characters and themes related to it (each theme is indicated by its own dot and icon, like this one:
History and the Decline of Civilization  Theme Icon
The Four Great Errors Quotes

There is no more dangerous error than that of mistaking the consequence for the cause. I call it reason’s intrinsic form of corruption. None the less, this error is among the most ancient and most recent habits of mankind: it is even sanctified among us, it bears the names ‘religion’ and ‘morality’.

Related Characters: Friedrich Nietzsche (speaker), Luigi Cornaro
Page Number: 58
Explanation and Analysis:
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Luigi Cornaro Character Timeline in Twilight of the Idols

The timeline below shows where the character Luigi Cornaro appears in Twilight of the Idols. The colored dots and icons indicate which themes are associated with that appearance.
The Four Great Errors
History and the Decline of Civilization  Theme Icon
The Will to Power   Theme Icon
The Ideal vs. The Real  Theme Icon
...and moralizers are responsible for preaching it. He cites an example from the Book of Cornaro, in which Cornaro argues that a “meagre diet” leads to a happy, moral life. But... (full context)