Thus Spoke ZarathustraThus Spoke Zarathustra (German: Also sprach Zarathustra), written by the German philosopher Friedrich Nietzsche, is one of his most influential and enigmatic works. First published in four parts between 1883 and 1885, the book is a philosophical novel that follows the teachings and experiences of a fictionalized version of the Persian prophet Zarathustra (Zoroaster). Nietzsche uses Zarathustra's character to explore his complex ideas about morality,