There's plenty of material in Harry Potter to serve as a useful book for the basics of literary analysis. The quotability isn't really relevant to that. There's

There's plenty of material in Harry Potter to serve as a useful book for the basics of literary analysis. The quotability isn't really relevant to that. There's bravery, slavery, love, loss, fascism, resistance, classism, racism, journalistic integrity, crime and punishment, the hero's journey, and more.