Now, it is clear that the book with the most mysterious, startling, or… — Thus Spake Zarathustra
SAPIR 861
Now, it is clear that the book with the most mysterious, startling, or suggestive title, will always stand the best chance of being purchased by those who have no other criteria to guide them in their choice than the aspect of a title-page; and this explains why "Thus Spake Zarathustra" is almost always the first and often the only one of Nietzsche's books that falls into the hands of the uninitiated.
Open Scriptures Hebrew Bible (WLC), CC BY 4.0