: His fingerprints are on almost every major 20th-century movement, from existentialism to psychology. Buying Guide & Editions

: He famously deconstructs Christian "slave morality" in On the Genealogy of Morals .

If you are looking to purchase a "Complete Works" set, be cautious of different editions: The Complete Works of Friedrich Nietzsche

Reading the is less like finishing a book and more like surviving a storm. It is a dense, provocative, and often contradictory journey through the mind of a thinker who famously called himself "dynamite". Intellectual Impact