Once upon a time, there were two guys named Friedrich Nietzsche and Max Stirner. They both lived long ago and were very smart thinkers. They both had some ideas about how people should live their lives and what kind of things were important in life.
Max Stirner believed that the most important thing in life was the individual person. He thought that everyone should focus on doing what they want to do and not worry too much about other people. He also believed that rules and laws were not very important and that people should be able to do whatever they want if it makes them happy.
Friedrich Nietzsche also thought that people should focus on themselves, but he had some different ideas than Stirner. He thought that people shouldn't worry about what other people think of them or what society thinks is right. He believed that people should make their own rules and live life on their own terms. He also believed that people should strive to be strong and powerful and not let anyone hold them back.
So, you see, Nietzsche and Stirner had some similar ideas about individualism and being true to oneself. However, Nietzsche's beliefs were a bit more extreme and focused on being powerful, while Stirner's beliefs were more focused on living a happy life without worrying about what others think.
In the end, both Nietzsche and Stirner were very important thinkers who have influenced many people and their ideas are still studied and debated today.