The first part of the book "Die Gesellschaft der Gesellschaft" by Niklas Luhmann explores the concept of society as a social system. It begins with an introduction and then delves into the theory of society in sociology, discussing the world society and the demands on rationality. The second chapter focuses on communication media, examining their symbolic generalization, differentiation, structures, self-justification, and moral communication, along with their impact on the evolution of the social system. The third chapter discusses evolution, covering creation, planning, ideevolutions, part system evolutions, the relationship between evolution and history, and memory.The first part of the book "Die Gesellschaft der Gesellschaft" by Niklas Luhmann explores the concept of society as a social system. It begins with an introduction and then delves into the theory of society in sociology, discussing the world society and the demands on rationality. The second chapter focuses on communication media, examining their symbolic generalization, differentiation, structures, self-justification, and moral communication, along with their impact on the evolution of the social system. The third chapter discusses evolution, covering creation, planning, ideevolutions, part system evolutions, the relationship between evolution and history, and memory.