When someone has a growth mindset they believe that they can continue to learn and become more intelligent with effort. In contrast, someone who has a fixed mindset believes that they are born with a certain amount of talent and intelligence and that cannot be improved no matter how much effort they put forth.
Animal farm is wonderful literature that makes you think about the world around you. you may want to first cite some of old majors speech then one of the lines where they cant tell the difference between pig and man.