No philosopher since Kant has left so undeniable an imprint on modem thought as has Friedrich Nietzsche. "Beyond Good and Evil" is one of his most important contributions to a new system of ethics, and it touches on many of the deepest principles of his philosophy.
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.