There are many books that can deepen one's thinking. Here are some recommendations: A Short History of Humanity ( ·Harari): This book explored the most important events and processes in human history and their impact on modern society and culture. It helps readers to think deeply about the development and evolution of human civilization. 2. Think Fast and Slow (Kauneman): This book introduced two modes of human thinking: fast thinking and slow thinking. Understanding the difference between these two ways of thinking can help readers better understand their own way of thinking and improve their own thinking ability. Tractatus Logicus Philosophicus ( ): This book is one of the representative works of German philosophers. It introduced the basic concepts and ways of thinking of philosophy and helped readers to understand the essence and significance of philosophy. The Silent Majority ( ): This book explored the psychological reasons and social phenomena behind people's silence. It helps readers understand human thinking and behavior and how to better communicate with ordinary people. Tao Te Ching ( ): This book is one of the classics of ancient Chinese philosophy. It introduced the core ideas and values of Taoist philosophy, which helps readers to understand Chinese culture and philosophy in depth.