"Every characteristic absence of spirituality, every piece of common vulgarity, is due to an inability to resist a stimulus - you have to react, you follow every impulse."
Friedrich Nietzsche was a German philosopher and cultural critic whose works challenged religion, morality, and metaphysics. His books include Thus Spoke Zarathustra, Beyond Good and Evil, and On the Genealogy of Morality. His thought deeply influenced modern philosophy and literature.