Beyond Good and Evil: Prelude to a Philosophy of the Future (German: Jenseits von Gut und Böse: Vorspiel einer Philosophie der Zukunft) is a book by philosopher Friedrich Nietzsche, first published in 1886.It draws on and expands the ideas of his previous work, Thus Spoke Zarathustra, but with a more critical and polemical approach.In Beyond Good and Evil, Nietzsche accuses past philosophers of lacking critical sense and blindly accepting dogmatic premises in their consideration of morality.