Warning: Contains spoilers for Demon Slayer’s endingOf all the current anime series, Demon Slayer contains the most sage advice. As the main character, Tanjiro, embarks on a journey to become a demon slayer and restore his younger sister’s humanity, he encounters many wise mentors and comrades and learns a great deal of life lessons. The guidance Tanjiro and the other characters learn does not just apply to their otherworldly circumstances fighting evil, many of these principles are true in the real world too.

https://screenrant.com/demon-slayer-anime-best-lessons-list/