Thus Spoke Zarathustra (subtitled as A Book for All and None) chronicles the fictitious travels and speeches of Zarathustra, the founder of Zoroastrianism. While Nietzsche injects myriad ideas into the book, a few recurring themes stand out. The overman (Übermensch), a self-mastered individual who has achieved his full power, is an almost omnipresent idea in Thus Spoke Zarathustra. Man as a race i...