Reading books was a good choice to improve one's thinking. By reading books with depth of thought, one could broaden their knowledge and cultivate the ability to think independently. They could also gain inspiration and insight from them. Here are some suggestions to help you improve the depth of your thoughts: 1. Choose books with depth of thought: Choose books that inspire you and resonate with you. These books might involve philosophy, history, literature, psychology, and other fields. 2. Read carefully: Don't rush to finish reading. Read every chapter carefully to understand the author's point of view and argument. 3. Think and ask questions: Think about the ideas and arguments in the book and ask some questions to challenge yourself. This will help you understand the content of the book and expand your scope of thinking. 4. Communicate with others: You can share your thoughts and opinions with others and listen to their feedback and suggestions. This will help you understand the content of the book more fully and gain inspiration from other people's perspectives. 5. Reflect and summarize: After reading, reflect on the contents of the book and summarize your own thoughts and opinions. This will help you deepen your understanding of the book's content and cultivate your ability to think independently. Through the above suggestions, you can improve the depth of your thinking and gain more knowledge and enlightenment through reading.