Be sure to read more books. As the saying goes, the book has its own golden house, and the book has its own Yan Ruyu. We can see a lot of things in books. We have seen a lot of history and things that we didn't know before, and the ocean of knowledge is rich and colorful.
When you are free, you must go outside to see the wonderful world outside and increase your knowledge.
There must be a goal. With a goal, you will naturally choose to struggle. In the process of struggle, you will also learn a lot of knowledge and experience. This kind of life is also colorful.