8 For her, the frustration began in childhood, when even her beloved grandmother
worried about her "talking biggety to white folks." She recounts how her grandmother
grew angry when a young Rosa recounted picking up a brick to
challenge a white bully.
Rosa told her grandmother: "I would rather be lynched than live to be mistreated and not
be allowed to say 'I don't like it.'"
What’s the central idea for this paragraph?