S. 327, "The Don Juan of knowledge: he has not yet been discovered by any philosopher or poet. He lacks the love for the things he knows, but he has spirit, excitement, and enjoyment in the hunt and intrigues of knowledge - up to the highest and most distant stars of knowledge! - until finally nothing remains for him to hunt but the absolutely wretchedness of knowledge, like the drinker who at the end drinks absinthe and rinse water. So finally he lusts for hell - it is the last knowledge that tempts him. Perhaps it will also disappoint him, like everything known! And then he would have to remain standing forever, nailed to disappointment and himself become a stony guest, with a longing for a banquet of knowledge that will never again be his! - for the whole world of things has no more morsel to offer this hungry one."
Cf. Franz Kafka's "The Hunger Artist": "Because I have to starve, I can't help it …… because I couldn't find the food that tastes good to me. If I had found it, believe me, I wouldn't have made a fuss and eaten my fill like you and everyone else."
Is that not a bitter twist of Nietzsche's Don Juan of knowledge? It shows a complex and perhaps tragic figure who is driven by the pursuit of knowledge yet lacks the essential love for the very things he discovers. His journey leads him to the brink of despair, as he exhausts all possibilities and is left with only the wretchedness of knowledge. This is similar to Kafka's hunger artist, who starves not because there is no food but because he cannot find the food that satisfies his unique taste. Both figures seem to be trapped in a cycle of unfulfilled desires and a sense of isolation from the rest of the world. Nietzsche's portrayal of the Don Juan of knowledge thus offers a profound exploration of the human condition and the nature of knowledge itself.