Who was Nietzsche? What did he think? What was his career path, from youth to maturity?If we had to describe Nietzsche's philosophy, we'd call it joyful philosophy. Contrary to the clichés that hang over his name, Nietzsche is the philosopher of creativity and life. From an aesthetic point of view, he revolu tionizes the theory of form. From the point of view of the theory of knowledge, he introduces creativity into the heart of knowledge processes. And from the point of view of the theory of being, it breathes new life into the movement of reality. Nietzsche has developed a genuine philosophical system-perspectivism-that is open, dynamic and fertile. These assets make Nietzsche's thought all the more fundamental and relevant today.