What kind of literature was documentary literature? Could it express a certain philosophy?

Non-fiction literature was a literary work that used real events and characters as its subject matter. It aimed to record and present real events, historical and social styles, as well as people's life experiences and emotional stories. Non-fiction is usually written to allow readers to understand the human, social, and cultural factors behind real events and to gain inspiration and reflection from them. Non-fiction literature could express a certain philosophy because real events often contained profound life experiences and philosophy. Revealing the causality behind the events, the nature of human nature and social problems, and thus triggering the readers 'thoughts and reflections. Therefore, documentary literature could not only present real events, but also convey certain philosophy and values through its profound thinking and reflection. Non-fiction is an important genre of literature. Not only can it present real events and history, but it can also express certain philosophy and values, which will have a profound impact on the reader's thoughts and soul.