These epigraphs come from french resistance fighters during the Second World War. Although uttered sixty years apart, they express the essence of the rebellious spirit. Such a spirit collaborates with dialectical thought. Friedrich Nietzsche served as their foundational thinker who cleared the ground for them. Jean-Paul Sartre and Albert Camus built on his work to apply dialectics in their social thought, which like Nietzsche's was rebellious. This chapter examines them.